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.

A296928 Primes p such that Legendre(-13,p) = 0 or 1.

Original entry on oeis.org

7, 11, 13, 17, 19, 29, 31, 47, 53, 59, 61, 67, 71, 83, 101, 113, 151, 157, 163, 167, 173, 181, 223, 227, 233, 239, 257, 269, 271, 277, 307, 313, 331, 337, 359, 373, 379, 383, 389, 431, 433, 463, 479, 487, 499, 521, 569, 587, 601, 619, 631
Offset: 1

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Author

N. J. A. Sloane, Dec 26 2017

Keywords

Comments

Primes == 1, 7, 9, 11, 13, 15, 17, 19, 25, 29, 31, 47, or 49 (mod 52). - Robert Israel, Dec 27 2017

Programs

  • Maple
    Load the Maple program HH given in A296920. Then run HH(-13, 200); This produces A296926, A296927, A296928, A105885.
    select(isprime, [seq(seq(52*i+j, j=[1, 7, 9, 11, 13, 15, 17, 19, 25, 29, 31, 47, 49]),i=0..50)]); # Robert Israel, Dec 27 2017