Revision History for A279956
(Underlined text is an addition;
strikethrough text is a deletion.)
Showing all changes.
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#10 by N. J. A. Sloane at Tue Mar 07 00:32:23 EST 2017
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#9 by Indranil Ghosh at Mon Mar 06 15:14:19 EST 2017
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#8 by Indranil Ghosh at Mon Mar 06 15:14:04 EST 2017
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| LINKS
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Indranil Ghosh, <a href="/A279956/b279956.txt">Table of n, a(n) for n = 1..807</a>
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approved
editing
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#7 by N. J. A. Sloane at Fri Dec 23 21:21:14 EST 2016
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#6 by Jon E. Schoenfield at Fri Dec 23 20:44:41 EST 2016
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#5 by Jon E. Schoenfield at Fri Dec 23 20:44:39 EST 2016
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| NAME
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Primes p such that every suffix of the base -4 representation of p is either a prime or 1.
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| CROSSREFS
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Also, Cfcf. A278699 for base 4, where the final suffix can notcannot be 1 (it has tomust be a prime, i.e. ., 2 or 3).
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proposed
editing
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#4 by Randy L. Ekl at Fri Dec 23 19:22:17 EST 2016
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#3 by Randy L. Ekl at Fri Dec 23 19:21:23 EST 2016
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| DATA
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2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 37, 43, 53, 59, 61, 67, 71, 83, 101, 107, 131, 139, 151, 157, 181, 193, 197, 199, 211, 229, 251, 257, 263, 269, 293, 317, 449, 467, 523, 541, 571, 613, 619, 643, 709, 769, 773, 787, 797, 811, 821, 827, 829, 839, 907, 919, 967, 997, 1019, 1031, 1061, 1091, 1163, 1181, 1217, 1223, 1637, 1667, 1733, 1811, 1931, 2053, 2131, 2179, 2311, 2341, 2887, 3067, 3079, 3083, 3089, 3109, 3203, 3229, 3253, 3271, 3301, 3323, 3329
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#2 by Randy L. Ekl at Fri Dec 23 19:20:39 EST 2016
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allocated for Randy L. Ekl
Primes p such that every suffix of the base 4 representation of p is either a prime or 1.
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| DATA
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2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 37, 43, 53, 59, 61, 67, 71, 83, 101, 107, 131, 139, 151, 157, 181, 193, 197, 199, 211, 229, 251, 257, 263, 269, 293, 317, 449, 467, 523, 541, 571, 613, 619, 643, 709, 769, 773, 787, 797, 811, 821, 827, 829, 839, 907, 919, 967, 997, 1019, 1031, 1061, 1091, 1163, 1181, 1217, 1223, 1637, 1667, 1733, 1811, 1931, 2053, 2131, 2179, 2311, 2341, 2887, 3067, 3079, 3083, 3089, 3109, 3203, 3229, 3253, 3271, 3301, 3323, 3329
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| OFFSET
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1,1
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| EXAMPLE
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107 is a term in the sequence, since 107_10=1223_4, and 223_4, 23_4 and 3_4 (43_10, 11_10, and 3_10) are all prime.
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| CROSSREFS
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Cf. A278454 for base 2, A278694 for base 3, A278698 for base 5, and A033664 for base 10.
Also, Cf. A278699 for base 4, where the final suffix can not be 1 (it has to be a prime, i.e. 2 or 3).
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| KEYWORD
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allocated
nonn,base
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| AUTHOR
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Randy L. Ekl, Dec 23 2016
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| STATUS
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approved
editing
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#1 by Randy L. Ekl at Fri Dec 23 19:20:39 EST 2016
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| NAME
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allocated for Randy L. Ekl
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| KEYWORD
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allocated
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| STATUS
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approved
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