A296932 - OEIS

A296932

Primes p such that Legendre(-23,p) = 0 or 1.

2, 3, 13, 23, 29, 31, 41, 47, 59, 71, 73, 101, 127, 131, 139, 151, 163, 167, 173, 179, 193, 197, 211, 223, 233, 239, 257, 269, 271, 277, 307, 311, 317, 331, 347, 349, 353, 397, 409, 439, 443, 449, 461, 463, 487, 491, 499, 509, 541, 547, 577, 587

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Primes == 0, 1, 2, 3, 4, 6, 8, 9, 12, 13, 16, or 18 (mod 23). - Robert Israel, Dec 26 2017

LINKS

Robert Israel, Table of n, a(n) for n = 1..10000

MAPLE

Load the Maple program HH given in A296920. Then run HH(-23, 200); This produces A191021, A191065, A296932.

Alternative:

select(isprime, [2, seq(seq(46*i+j, j=[1, 3, 9, 13, 23, 25, 27, 29, 31, 35, 39, 41]), i=0..30)]); # Robert Israel, Dec 26 2017

CROSSREFS

Sequence in context: A355438 A358427 A136260 * A288054 A181521 A133201

Adjacent sequences: A296929 A296930 A296931 * A296933 A296934 A296935

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 26 2017

STATUS

approved