id:A038892 - OEIS Search Results

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19 is not a square mod p.

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2, 7, 11, 13, 23, 29, 37, 41, 43, 47, 53, 83, 89, 97, 109, 113, 131, 139, 163, 173, 181, 191, 193, 199, 239, 241, 251, 257, 263, 269, 271, 281, 283, 293, 311, 317, 337, 347, 359, 367, 373, 401, 409, 419, 421, 433 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Also, only entries p=1 (mod 4) of the sequence are not squares mod 19 (from the quadratic reciprocity law). - Lekraj Beedassy (blekraj(AT)yahoo.com), Jul 21 2004`
	CROSSREFS	`Sequence in context: A140557 A027697 A146315 this_sequence A019346 A045369 A157975` `Adjacent sequences: A038889 A038890 A038891 this_sequence A038893 A038894 A038895`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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