cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A157437 Primes congruent to 1, 5, 7, or 11 modulo 24.

Original entry on oeis.org

5, 7, 11, 29, 31, 53, 59, 73, 79, 83, 97, 101, 103, 107, 127, 131, 149, 151, 173, 179, 193, 197, 199, 223, 227, 241, 251, 269, 271, 293, 313, 317, 337, 347, 367, 389, 409, 419, 433, 439, 443, 457, 461, 463, 467, 487, 491, 509, 557, 563, 577, 587, 601, 607, 631
Offset: 1

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Author

Alexander Adamchuk, Mar 01 2009

Keywords

Comments

Also, primes p that divide A085606((p-1)/2) = ((p-1)/2-1)^((p-1)/2) - 1. Primes p such that p^2 divide A085606((p-1)/2) are listed in A157438.
Also, primes p>3 such -6 is a square modulo p. - Max Alekseyev, May 30 2009
Rational primes that decompose in the field Q(sqrt(-6)). - N. J. A. Sloane, Dec 25 2017

Links

Crossrefs

Cf. A085606, A157438.

Programs

  • Mathematica
    Select[Prime[Range[200]], JacobiSymbol[#, 6] == 1 &] (* T. D. Noe, Aug 17 2011 *)
Select[Prime[Range[200]],MemberQ[{1,5,7,11},Mod[#,24]]&] (* Harvey P. Dale, May 25 2018 *)

Extensions

Extended by Max Alekseyev, May 30 2009
New name from Max Alekseyev, Jan 04 2018
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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