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A180079 A180077(A180077(n)). 3
0, 1, 5, 7, 3, 4, 19, 2, 13, 23, 11, 12, 49, 43, 58, 79, 9, 29, 21, 15, 10, 99, 16, 28, 39, 6, 64, 120, 27, 104, 164, 110, 62, 127, 25, 143, 45, 8, 135, 107, 33, 141, 46, 14, 162, 85, 41, 30, 66, 48, 60, 83, 37, 91, 152, 17, 355, 80, 170, 331, 286, 47, 336, 190, 56, 114, 97 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Permutation of the natural numbers with inverse A180078;

a(A180076(n)) = A180076(a(n)) = A180077(n).

LINKS

Table of n, a(n) for n=0..66.

Index entries for sequences that are permutations of the natural numbers

CROSSREFS

Sequence in context: A109986 A245741 A175473 * A019844 A155529 A261624

Adjacent sequences:  A180076 A180077 A180078 * A180080 A180081 A180082

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Aug 14 2010

STATUS

approved

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Last modified July 12 09:35 EDT 2020. Contains 335657 sequences. (Running on oeis4.)