A038004 Least k such that A033178(k)=n.
2, 7, 5, 13, 25, 37, 41, 89, 61, 85, 113, 221, 253, 281, 181, 361, 421, 433, 761, 841, 613, 793, 1009, 1541, 1201, 1901, 1121, 1261, 2801, 2881, 2053, 3173, 2773, 2521, 2161, 3421, 4001, 6865, 5581, 6553, 5441, 6481, 7141, 10193
Offset: 1