A139980 - OEIS

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A139980

Primes of the form 8x^2+8xy+97y^2.

97, 113, 193, 257, 337, 433, 673, 857, 953, 977, 1097, 1153, 1193, 1433, 1553, 1777, 1913, 2017, 2273, 2377, 2393, 2473, 2617, 2713, 2777, 2833, 2953, 3137, 3257, 3433, 3457, 3593, 3793, 3833, 4057, 4217, 4297, 4513, 4657, 4673, 4817, 4993 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`Discriminant=-3040. See A139827 for more information.`
	FORMULA	`The primes are congruent to {33, 97, 113, 193, 217, 257, 297, 337, 393, 417, 433, 497, 553, 673, 697, 713, 737, 753, 793, 857, 873, 953, 977, 1017, 1057, 1097, 1153, 1177, 1193, 1257, 1313, 1433, 1457, 1473, 1497, 1513, 1553, 1617, 1633, 1713, 1737, 1777, 1817, 1857, 1913, 1937, 1953, 2017, 2073, 2193, 2217, 2233, 2257, 2273, 2313, 2377, 2393, 2473, 2497, 2537, 2577, 2617, 2673, 2697, 2713, 2777, 2833, 2953, 2977, 2993, 3017, 3033} (mod 3040).`
	MATHEMATICA	`QuadPrimes[8, -8, 97, 10000] (* see A106856 *)`
	CROSSREFS	`Sequence in context: A160032 A136477 A078494 * A140830 A038133 A144325` `Adjacent sequences: A139977 A139978 A139979 * A139981 A139982 A139983`
	KEYWORD	`nonn,easy`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), May 02 2008`

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Last modified February 16 17:48 EST 2012. Contains 205939 sequences.