1,2

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.

Ray Chandler, Table of n, a(n) for n = 1..10000

Index entries for sequences that are permutations of the natural numbers

(Haskell)

import Data.List (elemIndex); import Data.Maybe (fromJust)

a255479 = (+ 1) . fromJust. (`elemIndex` a255582_list)

-- Reinhard Zumkeller, Mar 10 2015

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

Cf. A098551, A255940.

Sequence in context: A082865 A265348 A158929 * A256618 A140598 A129920

Adjacent sequences: A255476 A255477 A255478 * A255480 A255481 A255482

nonn

N. J. A. Sloane, Feb 27 2015

approved