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A126290 Signature-permutation of a Catalan automorphism: A069772-conjugate of A125976. 5
0, 1, 3, 2, 4, 6, 5, 8, 7, 22, 13, 17, 20, 10, 19, 21, 18, 11, 16, 14, 12, 15, 9, 33, 50, 47, 56, 59, 34, 39, 38, 52, 53, 23, 28, 42, 46, 61, 30, 29, 43, 44, 35, 40, 41, 64, 36, 25, 48, 57, 24, 62, 31, 32, 60, 63, 26, 49, 58, 27, 54, 37, 51, 55, 45, 196, 120, 106, 105, 119 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

This is a self-inverse permutation (involution) of the nonnegative integers.

LINKS

Table of n, a(n) for n=0..69.

Index entries for signature-permutations of Catalan automorphisms

CROSSREFS

a(n) = A069772(A125976(A069772(n))) = A069771(A125976(A069771(n))).

Sequence in context: A116942 A254108 A093573 * A277377 A227741 A059417

Adjacent sequences:  A126287 A126288 A126289 * A126291 A126292 A126293

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jan 02 2007

STATUS

approved

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Last modified November 25 14:45 EST 2020. Contains 338625 sequences. (Running on oeis4.)