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A125980 Signature-permutation of a Catalan automorphism: A057163-conjugate of A125976. 2
0, 1, 3, 2, 8, 5, 7, 6, 4, 22, 13, 18, 15, 10, 21, 12, 20, 19, 11, 17, 16, 14, 9, 64, 36, 50, 41, 27, 59, 32, 55, 52, 29, 46, 34, 38, 24, 63, 35, 49, 43, 26, 62, 40, 61, 60, 33, 48, 47, 39, 25, 58, 31, 57, 56, 30, 54, 53, 51, 28, 45, 44, 42, 37, 23, 196, 106, 148, 120, 78 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

This is 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) = A057163(A125976(A057163(n))) = A125977(A057163(n)) = A057163(A125978(n)).

Sequence in context: A071663 A071664 A130921 * A126320 A322845 A240447

Adjacent sequences:  A125977 A125978 A125979 * A125981 A125982 A125983

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jan 02 2007

STATUS

approved

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Last modified January 15 18:58 EST 2019. Contains 319170 sequences. (Running on oeis4.)