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A126108
Numbers n such that n^2-2 and (n+2)^2-2 are primes.
1
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
OFFSET
1,1
COMMENTS
The number of such n's <= 10^n: 3, 12, 36, 216, 1279,... Cf A126334 for prime n's.
LINKS
MATHEMATICA
Select[Range[10^5], PrimeQ[#^2-2] && PrimeQ[(#+2)^2-2]&]
CROSSREFS
Cf. A126334.
Sequence in context: A354217 A338567 A340339 * A100859 A336369 A111703
KEYWORD
nonn
AUTHOR
Zak Seidov, Mar 11 2007
STATUS
approved