A139540 Indices of primes of the form 12k+1 which have representation x^2+32xy+y^2.
10, 15, 18, 19, 26, 31, 32, 38, 40, 48, 51, 52, 55, 65, 66, 67, 74, 77, 79, 84, 100, 103, 104, 107, 109, 117, 131, 132, 135, 138, 143, 154, 155, 161, 169, 170, 182, 183, 187, 198, 199, 200, 208, 212, 213, 222, 225, 229, 231, 232, 235, 247, 248, 249, 255, 258
Offset: 1