A032375 Numbers n such that 51*2^n+1 is prime.

1, 3, 7, 9, 13, 17, 25, 43, 53, 83, 89, 92, 119, 175, 187, 257, 263, 267, 321, 333, 695, 825, 1485, 1917, 2660, 2967, 3447, 3659, 4121, 5225, 7377, 8543, 9584, 10707, 18032, 18465, 20733, 20807, 26703, 45541, 59217, 68956, 73571, 103664, 140504, 142327, 156443, 195353