A255972 Smallest number m such that A251604(m) = n.

1, 2, 3, 5, 4, 8, 32, 15, 6, 10, 25, 12, 7, 18, 17, 21, 34, 24, 9, 31, 22, 35, 27, 28, 51, 40, 33, 43, 11, 46, 75, 52, 41, 57, 38, 60, 23, 48, 36, 62, 13, 65, 138, 74, 44, 67, 29, 69, 61, 76, 49, 83, 14, 86, 55, 71, 53, 26, 42, 80, 16, 93, 58, 98, 68, 90

Offset: 1

Author

Reinhard Zumkeller, Mar 12 2015

Keywords

• nonn

Comments

If the conjecture in A251604 is true, this sequence is the inverse permutation.

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A251604.

Programs

Haskell

import Data.List (elemIndex); import Data.Maybe (fromJust)
a255972 = (+ 1) . fromJust . (`elemIndex` a251604_list)