A118202 Inverse of A118201, or -1 if n does not occur in A118201.

0, 1, 4, 2, 1715, 31, 3, 5, 16, 14, 12, 10, 8, 6, 476, 101, 99, 97, 23, 303, 7, 9, 11, 13, 15, 17, 52, 50, 48, 46, 44, 42, 40, 38, 36, 34, 32, 30, 28, 683, 681, 22, 20, 18, 24, 77, 699, 697, 703, 695, 693, 691, 689, 687, 1723, 1725, 1721, 267, 269, 2686, 67, 263, 19, 21

Offset: 0

Author

Franklin T. Adams-Watters, Apr 14 2006

Keywords

• nonn

Comments

Conjecture that a(n) is never -1.

Crossrefs

Cf. A118201, A057167.