A067664 Numbers n such that n^2+1 and n^2+n+1 are primes.

1, 2, 6, 14, 20, 24, 54, 66, 90, 110, 150, 176, 206, 236, 314, 584, 644, 686, 696, 860, 864, 890, 920, 950, 960, 1070, 1146, 1274, 1314, 1340, 1434, 1440, 1494, 1566, 1616, 1644, 1676, 1700, 1716, 1970, 1974, 2054, 2064, 2136, 2360, 2430, 2456, 2604, 2646