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A255479 Inverse permutation to A255582. 5
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

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

PROG

(Haskell)

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

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

-- Reinhard Zumkeller, Mar 10 2015

CROSSREFS

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

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Feb 27 2015

STATUS

approved

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Last modified September 23 17:50 EDT 2017. Contains 292363 sequences.