A319024 Inverse permutation to A319023.
1, 2, 3, 4, 5, 8, 9, 7, 6, 10, 14, 15, 21, 13, 33, 12, 22, 23, 20, 19, 32, 31, 34, 30, 46, 66, 11, 35, 16, 24, 25, 18, 39, 29, 47, 37, 54, 45, 36, 50, 65, 69, 48, 89, 49, 67, 38, 68, 53, 72, 73, 95, 96, 51, 52, 91, 70, 92, 71, 126, 94, 129, 93, 28, 90, 44, 125
Offset: 1
Examples
A319023(69) = 42, hence a(42) = 69.
Links
Crossrefs
Cf. A319023.