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A137662 Self-inverse permutation of the natural numbers, induced by A137661. 2
1, 4, 6, 2, 7, 3, 5, 9, 8, 11, 10, 13, 12, 15, 14, 17, 16, 21, 24, 29, 18, 30, 33, 19, 34, 39, 46, 49, 20, 22, 50, 57, 23, 25, 58, 63, 66, 71, 26, 72, 79, 86, 89, 96, 101, 27, 102, 105, 28, 31, 106, 113, 118, 125, 134, 139, 32, 35, 140, 143, 148, 151, 36, 152, 157, 37, 158 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(a(n)) = n; A137661(a(n)) = A137661(n).

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..1000

Index entries for sequences that are permutations of the natural numbers

CROSSREFS

Sequence in context: A045867 A236189 A114403 * A153124 A066252 A065165

Adjacent sequences:  A137659 A137660 A137661 * A137663 A137664 A137665

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Feb 04 2008

STATUS

approved

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Last modified January 22 23:00 EST 2019. Contains 319365 sequences. (Running on oeis4.)