The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A191054 Primes p such that Jacobi(p,91) = 1. 3
 5, 19, 23, 29, 31, 41, 43, 47, 53, 59, 73, 79, 83, 89, 97, 107, 113, 127, 167, 179, 191, 211, 223, 227, 229, 233, 241, 263, 271, 277, 293, 307, 337, 347, 349, 353, 373, 383, 389, 397, 409, 443, 461, 479, 491, 509, 547, 569, 571, 577, 587, 593, 599, 619, 641 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Originally incorrectly named "Primes that are squares mod 91", which is sequence A106989, and a subsequence of this one, because these primes have (p|7) = (p|13) = 1. The present sequence includes also primes with (p|7) = (p|13) = -1. - David Broadhurst and M. F. Hasler, Jan 15 2016 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 MATHEMATICA Select[Prime[Range[200]], JacobiSymbol[#, 91]==1&] PROG (MAGMA) [p: p in PrimesUpTo(641) | JacobiSymbol(p, 91) eq 1]; // Vincenzo Librandi, Sep 10 2012 (PARI) is(p)=kronecker(p, 91)==1&&isprime(p) \\ M. F. Hasler, Jan 15 2016 CROSSREFS Sequence in context: A087840 A074229 A152912 * A097934 A191609 A191084 Adjacent sequences:  A191051 A191052 A191053 * A191055 A191056 A191057 KEYWORD nonn,easy AUTHOR T. D. Noe, May 25 2011 EXTENSIONS Definition corrected, following a suggestion from David Broadhurst, by M. F. Hasler, Jan 15 2016 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified September 29 16:13 EDT 2020. Contains 337432 sequences. (Running on oeis4.)