Revision History for A159788
(Underlined text is an addition;
strikethrough text is a deletion.)
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#9 by N. J. A. Sloane at Wed Feb 24 02:48:18 EST 2021
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| LINKS
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David Applegate, Omar E. Pol and N. J. A. Sloane, <a href="http://neilsloane.com/doc="/A000695/tootha000695_1.pdf">The Toothpick Sequence and Other Sequences from Cellular Automata</a>, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.]
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Discussion
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| Wed Feb 24
| 02:48
| OEIS Server: https://oeis.org/edit/global/2889
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#8 by Alois P. Heinz at Fri May 10 16:46:46 EDT 2019
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#7 by Robert Price at Fri May 10 16:45:27 EDT 2019
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#6 by Robert Price at Fri May 10 16:45:16 EDT 2019
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| DATA
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0, 0, 2, 4, 4, 6, 16, 24, 24, 26, 32, 36, 38, 52, 88, 112, 112, 114, 120, 124, 126, 140, 168, 184, 186, 196, 212, 222, 240, 304, 432, 480, 480, 482, 488, 492, 494, 508, 536, 552, 554, 564, 580, 590, 608, 672, 768, 816, 818, 828
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| KEYWORD
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more,nonn
nonn
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| EXTENSIONS
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a(11)-a(49) from Robert Price, May 10 2019
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| STATUS
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approved
editing
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#5 by N. J. A. Sloane at Tue Nov 27 18:35:50 EST 2018
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| LINKS
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David Applegate, Omar E. Pol and N. J. A. Sloane, <a href="http://neilsloane.com/doc/tooth.pdf">The Toothpick Sequence and Other Sequences from Cellular Automata</a>, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a> typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.]
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Discussion
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| Tue Nov 27
| 18:35
| OEIS Server: https://oeis.org/edit/global/2774
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#4 by Charles R Greathouse IV at Sat Sep 26 01:17:05 EDT 2015
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| LINKS
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N. J. A. Sloane, <a href="http://neilsloane.com/doc="/wiki/toothlist.htmlCatalog_of_Toothpick_and_CA_Sequences_in_OEIS">Catalog of Toothpick and Cellular Automata Sequences in the OEIS</a>
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Discussion
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| Sat Sep 26
| 01:17
| OEIS Server: https://oeis.org/edit/global/2460
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#3 by Charles R Greathouse IV at Thu Oct 04 10:29:02 EDT 2012
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David Applegate, Omar E. Pol and N. J. A. Sloane, <a href="http://www.research.attneilsloane.com/~njas/doc/tooth.pdf">The Toothpick Sequence and Other Sequences from Cellular Automata</a>
N. J. A. Sloane, <a href="http://www.research.attneilsloane.com/~njas/doc/toothlist.html">Catalog of Toothpick and Cellular Automata Sequences in the OEIS</a>
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Discussion
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| Thu Oct 04
| 10:29
| OEIS Server: https://oeis.org/edit/global/1833
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#2 by Russ Cox at Fri Mar 30 17:33:59 EDT 2012
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| AUTHOR
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_Omar E. Pol (info(AT)polprimos.com), _, Apr 28 2009, May 02 2009
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Discussion
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| Fri Mar 30
| 17:33
| OEIS Server: https://oeis.org/edit/global/157
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#1 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010
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| NAME
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a(n) = A159786(n+1)/2.
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| DATA
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0, 0, 2, 4, 4, 6, 16, 24, 24, 26, 32
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| OFFSET
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0,3
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| LINKS
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David Applegate, Omar E. Pol and N. J. A. Sloane, <a href="http://www.research.att.com/~njas/doc/tooth.pdf">The Toothpick Sequence and Other Sequences from Cellular Automata</a>
N. J. A. Sloane, <a href="http://www.research.att.com/~njas/doc/toothlist.html">Catalog of Toothpick and Cellular Automata Sequences in the OEIS</a>
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| CROSSREFS
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Toothpick sequence: A139250.
Cf. A139251, A152998, A159786, A159787, A159789, A159798.
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| KEYWORD
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more,nonn
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| AUTHOR
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Omar E. Pol (info(AT)polprimos.com), Apr 28 2009, May 02 2009
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| STATUS
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approved
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