A180077 Inverse permutation to A180076.

0, 1, 3, 5, 2, 7, 11, 4, 9, 13, 6, 19, 15, 23, 27, 49, 8, 21, 17, 12, 25, 29, 37, 43, 33, 10, 47, 58, 14, 99, 56, 62, 31, 39, 20, 45, 35, 16, 93, 127, 24, 60, 106, 28, 75, 143, 50, 64, 71, 79, 41, 95, 22, 68, 129, 18, 164, 148, 120, 112, 141, 26, 110, 108, 30, 89, 77, 38, 91, 52

Offset

0,3

Comments

A180079(n) = a(a(n));

a(A180078(n)) = A180078(a(n)) = A180076(n).

Links

Reinhard Zumkeller, Table of n, a(n) for n = 0..10000

Index entries for sequences that are permutations of the natural numbers

Prog

(Haskell)
import Data.List (elemIndex); import Data.Maybe (fromJust)
a180077 = fromJust . (`elemIndex` a180076_list)
-- Reinhard Zumkeller, Mar 13 2014

Crossrefs

Sequence in context: A026208 A120837 A208754 * A095749 A137988 A258367

Adjacent sequences: A180074 A180075 A180076 * A180078 A180079 A180080

Keyword

nonn

Author

Reinhard Zumkeller, Aug 14 2010

Status

approved