id:A139920 - OEIS Search Results

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Primes of the form 19x^2+18xy+19y^2.

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19, 59, 131, 139, 251, 419, 619, 691, 811, 859, 971, 1091, 1259, 1291, 1459, 1531, 1571, 1699, 1811, 1931, 1979, 2099, 2131, 2371, 2411, 2539, 2579, 2659, 2819, 2939, 2971, 3251, 3331, 3491, 3499, 3659, 3779, 4051, 4091, 4219, 4259, 4339 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Discriminant=-1120. See A139827 for more information.`
	FORMULA	`The primes are congruent to {19, 59, 131, 139, 171, 251} (mod 280).`
	CROSSREFS	`Sequence in context: A141773 A031375 A146351 this_sequence A142190 A139981 A141897` `Adjacent sequences: A139917 A139918 A139919 this_sequence A139921 A139922 A139923`
	KEYWORD	`nonn,easy`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), May 02 2008`

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Last modified December 3 14:12 EST 2008. Contains 151279 sequences.

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