id:A145473 - OEIS Search Results

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Primes p such that (11+p)/2 is prime.

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3, 11, 23, 47, 71, 83, 107, 131, 167, 191, 251, 263, 347, 383, 443, 467, 491, 503, 683, 827, 887, 911, 947, 971, 1031, 1103, 1163, 1187, 1223, 1283, 1307, 1427, 1511, 1583, 1607, 1667, 1811, 1847, 1871, 1931, 2027, 2087, 2111, 2207, 2351, 2423, 2447, 2543 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`All these primes are congruent to 3 mod 4 and (with exception first one) to 11 mod 12`
	MATHEMATICA	`aa = {}; k = 11; Do[If[PrimeQ[(k + Prime[n])/2], AppendTo[aa, Prime[n]]], {n, 1, 500}]; aa`
	CROSSREFS	`A092109, A145471-A145480.` `Sequence in context: A078723 A141187 A107138 this_sequence A128928 A145477 A098828` `Adjacent sequences: A145470 A145471 A145472 this_sequence A145474 A145475 A145476`
	KEYWORD	`nonn`
	AUTHOR	`Artur Jasinski (grafix(AT)csl.pl), Oct 11 2008`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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