A255479 Inverse permutation to A255582.

1, 2, 3, 4, 10, 5, 13, 6, 7, 8, 21, 9, 24, 11, 12, 16, 31, 14, 38, 18, 15, 23, 43, 20, 30, 22, 17, 25, 51, 28, 59, 27, 19, 29, 32, 37, 67, 36, 26, 34, 78, 35, 81, 39, 42, 41, 90, 44, 52, 46, 33, 48, 101, 47, 58, 50, 40, 49, 108, 55, 119, 57, 54, 64, 60, 63, 131, 66, 45, 62, 136, 68

Offset: 1

Author

N. J. A. Sloane, Feb 27 2015

Keywords

• nonn

Comments

The differences |a(n)-A064664(n)| seem surprisingly small (see A255482).

About the definition: the map n -> A255582(n) is an element of the group of all permutations of the positive integers; this is the inverse of that permutation.

Links

• Ray Chandler, Table of n, a(n) for n = 1..10000
• Index entries for sequences that are permutations of the natural numbers

Crossrefs

Cf. A098550, A255582, A064413, A064664, A255482.

Cf. A098551, A255940.

Programs

Haskell

import Data.List (elemIndex); import Data.Maybe (fromJust)
a255479 = (+ 1) . fromJust. (`elemIndex` a255582_list)
-- Reinhard Zumkeller, Mar 10 2015