id:A129608 - OEIS Search Results

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Signature-permutation of a Catalan automorphism: swap the two rightmost subtrees of general trees.

+0
5

0, 1, 2, 3, 4, 6, 5, 7, 8, 9, 11, 10, 16, 19, 14, 15, 12, 17, 18, 13, 20, 21, 22, 23, 25, 24, 30, 33, 28, 29, 26, 44, 47, 27, 53, 56, 60, 37, 39, 38, 43, 52, 42, 40, 31, 45, 46, 32, 48, 49, 50, 51, 41, 34, 54, 55, 35, 57, 58, 59, 36, 61, 62, 63, 64, 65, 67, 66, 72, 75, 70, 71 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`This self-inverse automorphism is obtained as either SPINE(A129607) or ENIPS(A129607). See the definitions given in A122203 and A122204.`
	LINKS	`A. Karttunen, Table of n, a(n) for n = 0..2055` `Index entries for signature-permutations of Catalan automorphisms`
	CROSSREFS	`A129608. a(n) = A057508(A072796(A057508(n))) = A057164(A072796(A057164(n))). Row 3608 of A122203 and A122204.` `Sequence in context: A122363 A122364 A122300 this_sequence A130373 A121731 A129605` `Adjacent sequences: A129605 A129606 A129607 this_sequence A129609 A129610 A129611`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), May 22 2007`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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