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| A289816
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The second of a pair of coprime numbers whose factorizations depend on the ternary representation of n (See Comments for precise definition).
(history;
published version)
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#34 by Joerg Arndt at Wed Apr 21 07:14:08 EDT 2021
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#33 by Michel Marcus at Wed Apr 21 05:08:13 EDT 2021
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#32 by F. Chapoton at Wed Apr 21 05:06:09 EDT 2021
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#31 by F. Chapoton at Wed Apr 21 05:06:01 EDT 2021
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| PROG
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from sympy import floor, gcd, primefactors
n=floor(n/3)
n //= 3
print map(([a, (n) for n in range(101)) # _)]) # _Indranil Ghosh_, Aug 02 2017
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| STATUS
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approved
editing
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Discussion
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| Wed Apr 21
| 05:06
| F. Chapoton: adapt py code to py3
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#30 by N. J. A. Sloane at Sat Dec 07 12:33:53 EST 2019
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Discussion
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| Sat Dec 07
| 12:33
| OEIS Server: https://oeis.org/edit/global/2838
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#29 by Sean A. Irvine at Sat Jul 13 17:26:27 EDT 2019
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#28 by Michel Marcus at Sat Jul 13 17:06:32 EDT 2019
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#27 by Rémy Sigrist at Sat Jul 13 17:01:10 EDT 2019
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#26 by Rémy Sigrist at Sat Jul 13 14:33:34 EDT 2019
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| LINKS
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Rémy Sigrist, <a href="/A289816/b289816.txt">Table of n, a(n) for n = 0..10000</a>
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| STATUS
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approved
editing
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Discussion
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| Sat Jul 13
| 17:01
| Rémy Sigrist: added b-file
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#25 by N. J. A. Sloane at Wed Aug 02 15:27:52 EDT 2017
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