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A191078 Primes p that have Kronecker symbol (p|70) = -1. 1
3, 11, 13, 23, 29, 31, 41, 83, 89, 109, 113, 127, 137, 149, 157, 173, 179, 193, 199, 211, 227, 233, 241, 263, 271, 283, 293, 307, 311, 331, 337, 379, 389, 397, 409, 421, 439, 457, 463, 467, 479, 487, 491, 499, 521, 523, 541, 563, 571, 587, 601, 617, 643, 659 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Originally erroneously named "Primes that are not squares mod 70". - M. F. Hasler, Jan 18 2016

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Prime[Range[200]], JacobiSymbol[#, 70]==-1&]

PROG

(MAGMA) [p: p in PrimesUpTo(659) | KroneckerSymbol(p, 70) eq -1]; // Vincenzo Librandi, Sep 11 2012

CROSSREFS

Sequence in context: A299974 A262433 A116438 * A281816 A117682 A045429

Adjacent sequences:  A191075 A191076 A191077 * A191079 A191080 A191081

KEYWORD

nonn,easy

AUTHOR

T. D. Noe, May 25 2011

EXTENSIONS

Definition corrected, following a suggestion from David Broadhurst, by M. F. Hasler, Jan 18 2016

STATUS

approved

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Last modified August 10 14:50 EDT 2020. Contains 336381 sequences. (Running on oeis4.)