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A038899 26 is a square mod p. 1
2, 5, 11, 13, 17, 19, 23, 37, 59, 67, 79, 83, 103, 109, 113, 127, 149, 163, 191, 197, 199, 227, 229, 233, 257, 263, 293, 307, 311, 313, 317, 331, 337, 349, 367, 379, 397, 421, 433, 439, 461, 499, 503, 509, 521 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Prime[Range[100]], JacobiSymbol[26, #] != -1 &] (* Vincenzo Librandi, Sep 07 2012 *)

CROSSREFS

Sequence in context: A281644 A075749 A138837 * A218582 A118753 A305033

Adjacent sequences:  A038896 A038897 A038898 * A038900 A038901 A038902

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified September 20 03:28 EDT 2020. Contains 337264 sequences. (Running on oeis4.)