A269368 a(n) = index of n in A269367 or 0 if n is not present in that sequence.

1, 2, 3, 5, 4, 9, 6, 10, 7, 14, 8, 11, 13, 18, 23, 20, 12, 19, 17, 22, 15, 30, 16, 27, 32, 34, 29, 21, 37, 25, 85, 39, 40, 38, 24, 33, 41, 43, 28, 36, 26, 31, 46, 62, 69, 61, 35, 80, 45, 63, 44, 60, 81, 73, 42, 66, 49, 51, 47, 71, 87, 93, 129, 53, 54, 58, 48, 50, 52, 88, 67, 72, 86, 59, 55, 57, 74, 82, 76, 104, 106, 84

Offset: 1

Author

Antti Karttunen, Feb 27 2016

Keywords

• nonn
• base

Comments

If A269367 is really a permutation of natural numbers, then this sequence is also, and no hypothetical zero-values are ever needed.

Links

• Antti Karttunen, Table of n, a(n) for n = 1..16382
• Index entries for sequences that are permutations of the natural numbers

Crossrefs

Inverse: A269367.

Cf. also A266122, A269363.

Programs

Scheme

;; Use the code in A269367.