A100712 Numbers n such that n*(n-1)-1 and n*(n+1)+1 are both primes.

3, 5, 6, 12, 14, 17, 20, 21, 27, 54, 57, 66, 69, 71, 77, 90, 101, 131, 141, 150, 155, 161, 164, 189, 192, 194, 231, 245, 266, 332, 336, 344, 351, 381, 392, 402, 434, 456, 476, 495, 500, 512, 531, 551, 572, 579, 582, 605, 626, 671, 677, 696, 747, 762, 782, 839