id:A038878 - OEIS Search Results

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Primes p such that 7 is a square mod p.

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2, 3, 7, 19, 29, 31, 37, 47, 53, 59, 83, 103, 109, 113, 131, 137, 139, 149, 167, 193, 197, 199, 223, 227, 233, 251, 271, 277, 281, 283, 307, 311, 317, 337, 367, 373, 383, 389, 401, 419, 421, 439, 449, 457, 467 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Also, only entries p=1 (mod 4) of the sequence are squares mod 7 (from the quadratic reciprocity law). - Lekraj Beedassy (blekraj(AT)yahoo.com), Jul 21 2004`
	CROSSREFS	`Sequence in context: A165571 A138111 A078373 this_sequence A040112 A074855 A038935` `Adjacent sequences: A038875 A038876 A038877 this_sequence A038879 A038880 A038881`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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