id:A126108 - OEIS Search Results

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Numbers n such that n^2-2 and (n+2)^2-2 are primes.

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3, 5, 7, 13, 19, 27, 33, 35, 47, 61, 69, 75, 117, 119, 231, 237, 257, 265, 299, 301, 313, 335, 355, 357, 441, 447, 467, 489, 495, 523, 573, 607, 713, 761, 943, 993, 1021, 1069, 1071, 1141, 1147, 1175, 1231, 1239, 1251, 1265, 1287, 1357, 1363, 1365, 1391, 1461 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`The number of such n's <= 10^n: 3, 12, 36, 216, 1279,... Cf A126334 for prime n's.`
	MAPLE	`se=Select[Range[10^5], PrimeQ[ #^2-2]&&PrimeQ[(#+2)^2-2]&]`
	CROSSREFS	`Cf. A126334.` `Sequence in context: A059788 A077171 A065384 this_sequence A100859 A111703 A067829` `Adjacent sequences: A126105 A126106 A126107 this_sequence A126109 A126110 A126111`
	KEYWORD	`nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Mar 11 2007`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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