id:A129610 - OEIS Search Results

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Signature-permutation of a Catalan automorphism, row 65352 of A089840.

+0
2

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

	OFFSET	`0,3`
	COMMENT	`Automorphism A074680 = SPINE(A129610). See the definition given in A122203.`
	LINKS	`A. Karttunen, Table of n, a(n) for n = 0..2055` `A. Karttunen, Prolog-program which illustrates the construction of this and similar nonrecursive Catalan automorphisms.` `Index entries for signature-permutations of Catalan automorphisms`
	PROGRAM	`(Constructive and destructive Scheme implementation of this automorphism. These act on S-expressions, i.e. list-structures:)` `(define (A129610 s) (cond ((pair? s) (let ((t (A074680 s))) (cons (car t) (A074679 (cdr t))))) (else s)))` `(define (A129610! s) (cond ((pair? s) (A074680! s) (A074679! (cdr s)))) s)`
	CROSSREFS	`Inverse: A129609.` `Sequence in context: A131002 A130394 A130955 this_sequence A130923 A057501 A071655` `Adjacent sequences: A129607 A129608 A129609 this_sequence A129611 A129612 A129613`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), May 22 2007`

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.

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