A225047 Inverse permutation to A121216.

1, 2, 3, 5, 4, 6, 7, 9, 10, 12, 8, 13, 11, 16, 17, 19, 14, 20, 15, 23, 21, 24, 18, 28, 22, 27, 25, 31, 26, 36, 29, 32, 33, 35, 30, 40, 34, 39, 37, 43, 38, 44, 41, 47, 48, 50, 42, 54, 45, 51, 49, 55, 46, 58, 52, 59, 53, 62, 56, 63, 57, 66, 64, 67, 60, 71, 61

Offset

1,2

Comments

A121216(a(n)) = a(A121216(n)) = n.

Links

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

Index entries for sequences that are permutations of the natural numbers

Prog

(Haskell)
import Data.List (elemIndex)
import Data.Maybe (fromJust)
a225047 = (+ 1) . fromJust . (`elemIndex` a121216_list)

Crossrefs

Sequence in context: A279337 A279336 A275375 * A279338 A279348 A274500

Adjacent sequences: A225044 A225045 A225046 * A225048 A225049 A225050

Keyword

nonn

Author

Reinhard Zumkeller, Apr 25 2013

Status

approved