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A038921 Primes p such that 42 is a square mod p. 2
2, 3, 7, 11, 13, 17, 19, 29, 41, 47, 53, 61, 79, 89, 107, 127, 139, 149, 151, 157, 167, 179, 181, 193, 197, 229, 257, 283, 307, 311, 317, 337, 347, 349, 353, 383, 389, 397, 443, 457, 463, 479, 487, 491, 503, 521 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[Prime[Range[100]], ! JacobiSymbol[42, #] == -1 &] (* Vincenzo Librandi, Sep 08 2012 *)
CROSSREFS
Sequence in context: A141657 A265760 A071200 * A129633 A020622 A045320
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)