A032731 Numbers n such that n prefixed by '6' and followed by '9' is a prime.

1, 5, 19, 22, 26, 29, 32, 35, 37, 38, 44, 46, 52, 56, 59, 61, 65, 67, 68, 70, 71, 77, 82, 86, 89, 94, 95, 109, 112, 116, 133, 137, 140, 146, 151, 155, 160, 172, 181, 187, 190, 194, 197, 203, 209, 211, 212, 218, 221, 229, 245, 253, 254, 263, 265, 281, 286, 292