1,2

A176352(a(n)) = n; if A176352 is a permutation of the natural numbers, then this sequence is its inverse.

Reinhard Zumkeller, Table of n, a(n) for n = 1..250

(Haskell)

import Data.List (elemIndex)

import Data.Maybe (fromJust)

a218454 = (+ 1) . fromJust . (`elemIndex` a176352_list)

Sequence in context: A241012 A064745 A304090 * A115425 A116418 A122640

Adjacent sequences: A218451 A218452 A218453 * A218455 A218456 A218457

nonn

Reinhard Zumkeller, Oct 30 2012

approved