A050664 Primes p such that number of primes produced according to rules stipulated in Honaker's A048853 is 2.
4409, 5077, 6841, 9199, 17863, 18637, 30817, 31477, 35279, 38557, 39953, 48527, 55871, 61441, 62137, 62459, 66359, 68023, 68087, 82997, 83579, 88951, 89329, 90437, 94117, 94343, 96329, 98981, 99643, 110753, 111857, 113453, 117307
Offset: 1
Examples
Altering a(1)=4409 gives 2 primes: 1409 and 4909.