id:A145474 - OEIS Search Results

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Primes p such that (13+p)/2 is prime.

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13, 61, 73, 109, 181, 193, 241, 313, 349, 373, 409, 433, 541, 601, 613, 661, 733, 829, 853, 1033, 1069, 1129, 1201, 1213, 1249, 1453, 1489, 1609, 1693, 1741, 1753, 1801, 1861, 2029, 2053, 2089, 2113, 2161, 2221, 2293, 2389, 2593, 2749, 2833, 2953, 3049 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`All these primes are congruent to 1 mod 12`
	MATHEMATICA	`aa = {}; k = 13; Do[If[PrimeQ[(k + Prime[n])/2], AppendTo[aa, Prime[n]]], {n, 1, 500}]; aa`
	CROSSREFS	`A092109, A145471-A145480.` `Sequence in context: A124864 A126400 A146764 this_sequence A002647 A118711 A028874` `Adjacent sequences: A145471 A145472 A145473 this_sequence A145475 A145476 A145477`
	KEYWORD	`nonn`
	AUTHOR	`Artur Jasinski (grafix(AT)csl.pl), Oct 11 2008`

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

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