A137662 Self-inverse permutation of the natural numbers, induced by A137661.

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

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

Cf. A137661.

Sequence in context: A342875 A114403 A356763 * A336049 A153124 A066252

Adjacent sequences: A137659 A137660 A137661 * A137663 A137664 A137665

Keyword

nonn

Author

Reinhard Zumkeller, Feb 04 2008

Status

approved