The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A272118 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A272118

Numbers k such that abs(6*k^2 - 342*k + 4903) is prime.
(history; published version)

#18 by Bruno Berselli at Thu Jul 19 05:46:42 EDT 2018

STATUS

editing

approved

#17 by Bruno Berselli at Thu Jul 19 05:45:56 EDT 2018

NAME

Numbers n k such that abs(6*nk^2 - 342*n k + 4903) is prime.

STATUS

approved

editing

#16 by R. J. Mathar at Sun Apr 24 16:39:07 EDT 2016

STATUS

editing

approved

#15 by R. J. Mathar at Sun Apr 24 16:39:03 EDT 2016

CROSSREFS

Cf. A271980, A272030, A272074, A272075.

STATUS

approved

editing

#14 by Bruno Berselli at Thu Apr 21 09:46:58 EDT 2016

STATUS

proposed

approved

#13 by Robert Price at Thu Apr 21 09:39:20 EDT 2016

STATUS

editing

proposed

#12 by Robert Price at Thu Apr 21 09:39:16 EDT 2016

LINKS

Robert Price, <a href="/A272118/b272118.txt">Table of n, a(n) for n = 1..3874</a>

STATUS

approved

editing

#11 by N. J. A. Sloane at Thu Apr 21 05:18:53 EDT 2016

STATUS

proposed

approved

#10 by Michel Marcus at Thu Apr 21 00:28:44 EDT 2016

STATUS

editing

proposed

#9 by Michel Marcus at Thu Apr 21 00:28:38 EDT 2016

PROG

(PARI) isok(n) = isprime(abs(6*n^2 - 342*n + 4903)); \\ Michel Marcus, Apr 21 2016

STATUS

proposed

editing