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 A191018 Primes p with Jacobi symbol (p|3*5) = 1. 25
 2, 17, 19, 23, 31, 47, 53, 61, 79, 83, 107, 109, 113, 137, 139, 151, 167, 173, 181, 197, 199, 211, 227, 229, 233, 241, 257, 263, 271, 293, 317, 331, 347, 349, 353, 379, 383, 409, 421, 439, 443, 467, 499, 503, 541, 557, 563, 571, 587, 593, 601, 617, 619, 631 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Originally incorrectly named "Primes that are squares mod 15", which is the subsequence A033212. The present sequence also includes primes which are not square mod 3 neither mod 5, i.e., with Legendre symbols (p|3) = (p|5) = -1. - David Broadhurst and M. F. Hasler, Jan 15 2016 Primes congruent to {1, 2, 4, 8} mod 15. - Wolfdieter Lang, May 19 2021 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA Select[Prime[Range[200]], JacobiSymbol[#, 15]==1&] PROG (PARI) is(p)=kronecker(p, 15)==1&&isprime(p) \\ M. F. Hasler, Jan 15 2016 CROSSREFS Cf. A316569. Primes of A341786, except 3 and 5. Sequence in context: A064697 A038980 A074857 * A133247 A216965 A145100 Adjacent sequences: A191015 A191016 A191017 * A191019 A191020 A191021 KEYWORD nonn,easy AUTHOR T. D. Noe, May 24 2011 EXTENSIONS Name corrected upon suggestion from David Broadhurst by M. F. Hasler, Jan 15 2016 STATUS approved

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Last modified June 1 15:04 EDT 2023. Contains 363074 sequences. (Running on oeis4.)