A338060 a(n) = m such that A338059(m) = n, or -1 if n does not appear in A338059.

1, 2, 5, 3, 8, 4, 11, 13, 6, 19, 17, 14, 29, 12, 7, 20, 34, 21, 38, 26, 22, 25, 41, 51, 9, 30, 15, 31, 58, 47, 64, 36, 16, 35, 10, 55, 73, 37, 28, 43, 79, 46, 92, 61, 27, 42, 97, 90, 23, 60, 33, 66, 133, 95, 18, 50, 39, 70, 136, 85, 139, 65, 32, 75, 44, 100, 144, 76, 40, 69

Offset: 1

Author

Scott R. Shannon and N. J. A. Sloane, Oct 18 2020

Keywords

• nonn

Comments

It is conjectured that A338059 is a permutation of the positive numbers. This is (conjecturally) the inverse permutation.

Crossrefs

Cf. A336957, A338059.