id:A123496 - OEIS Search Results

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Signature permutation of a nonrecursive Catalan automorphism: row 65796 of table A089840.

+0
4

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

	OFFSET	`0,3`
	LINKS	`A. Karttunen, Prolog-program which illustrates the construction of this and other similar nonrecursive Catalan automorphisms.` `Index entries for signature-permutations of Catalan automorphisms`
	PROGRAM	`(Scheme function, destructive implementation of this automorphism acting on S-expressions:) (define (A123496! s) (cond ((null? s) s) ((and (pair? (car s)) (pair? (caar s))) (A074680! s) (A069770! s)) (else (A074680! s))) s)`
	CROSSREFS	`Inverse: A123495. a(n) = A069770(A082352(n)). Row 65796 of A089840. Used to construct automorphism *A082358. Cf. A069770 and A074680.` `Adjacent sequences: A123493 A123494 A123495 this_sequence A123497 A123498 A123499` `Sequence in context: A095353 A054183 A074680 this_sequence A130370 A072090 A130365`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Oct 11 2006`

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.

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