A256409 a(n) = index of A256408(n) in A166133.

1, 2, 4, 8, 12, 16, 21, 24, 29, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 81, 93, 102, 111, 114, 163, 171, 198, 199, 259, 281, 292, 302, 426, 433, 451, 533, 550, 585, 586, 617, 747

Offset: 1

Author

N. J. A. Sloane, Apr 03 2015, following a suggestion from Ray Chandler

Keywords

• nonn

Comments

Created in order to try to understand the growth-rate of A256405 (and A166133). See the "blog" file in A166133.

Where records occur in A256405. - Ray Chandler, Apr 06 2015

Links

• N. J. A. Sloane and John Mason, Table of n, a(n) for n = 1..199 [Terms 1 through 86 were computed by N. J. A. Sloane; terms 87 through 199 by John Mason, Apr 05 2015]

Crossrefs

Cf. A166133, A256405, A256408.