A169840 a(n) = position of n in A169839.

2, 4, 1, 9, 3, 13, 7, 5, 8, 19, 6, 27, 12, 10, 16, 32, 11, 36, 17, 14, 18, 42, 15, 23, 26, 21, 25, 56, 22, 60, 30, 20, 31, 24, 29, 66, 35, 28, 39, 73, 34, 80, 40, 38, 41, 88, 44, 49, 45, 33, 46, 99, 47, 52, 48, 37, 55, 106, 51, 114, 59, 50, 63, 53, 58, 127, 64, 43, 54, 133, 62, 137, 65

Offset: 2

Author

T. D. Noe and N. J. A. Sloane, Jun 02 2010

Keywords

• nonn

Comments

A generalization of A064421.

Crossrefs

Cf. A064421, A169839.