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A073281 Self-inverse permutation of natural numbers induced by the composition of the gatomorphisms A072796 & A073269. +0
3
0, 1, 3, 2, 7, 5, 8, 4, 6, 17, 18, 12, 11, 15, 20, 13, 21, 9, 10, 22, 14, 16, 19, 45, 46, 48, 49, 50, 31, 32, 30, 28, 29, 40, 39, 43, 52, 54, 55, 34, 33, 41, 57, 35, 58, 23, 24, 59, 25, 26, 27, 61, 36, 62, 37, 38, 63, 42, 44, 47, 64, 51, 53, 56, 60, 129, 130, 132, 133, 134 (list; graph; listen)
OFFSET

0,3

LINKS

A. Karttunen, Gatomorphisms (with the complete Scheme source)

Index entries for sequences that are permutations of the natural numbers

FORMULA

a(n) = A072796(A073269(n)) = A072796(A069770(A072796(n))).

CROSSREFS

Occurs for first time in A073200 as row 15. This is a conjugate of A069770, so the fixed element and the cycle counts are same as for A069770: "Aerated Catalans" and A007595.

Sequence in context: A126314 A086702 A069888 this_sequence A130922 A006921 A014693

Adjacent sequences: A073278 A073279 A073280 this_sequence A073282 A073283 A073284

KEYWORD

nonn

AUTHOR

Antti Karttunen Jun 25 2002

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Last modified September 4 21:24 EDT 2008. Contains 143414 sequences.


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