A140738 Numbers a(n) such that 24*a(n)+7 is A139640(n).

6, 20, 30, 31, 43, 44, 58, 61, 73, 74, 95, 110, 111, 115, 139, 144, 163, 171, 184, 194, 204, 208, 215, 225, 241, 275, 279, 284, 298, 306, 318, 328, 341, 344, 346, 368, 380, 381, 393, 415, 421, 446