id:A131173 - OEIS Search Results

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Signature permutation of a self-inverse Catalan automorphism: row 7 of A122285 and A122286.

+0
3

0, 1, 2, 3, 4, 5, 6, 8, 7, 9, 10, 11, 12, 13, 14, 15, 19, 21, 22, 16, 20, 17, 18, 23, 24, 25, 27, 26, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 51, 52, 56, 58, 59, 60, 62, 63, 64, 42, 43, 53, 57, 61, 44, 54, 45, 46, 47, 55, 48, 49, 50, 65, 66, 67, 68, 69, 70, 71 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Derived from automorphism *A122282 with recursion scheme SPINE or ENIPS.`
	LINKS	`A. Karttunen, Table of n, a(n) for n = 0..2055` `Index entries for signature-permutations of Catalan automorphisms`
	PROGRAM	`(Destructive Scheme implementation of this automorphism, which acts on S-expressions, i.e. list-structures:)` `(define (A131173! s) (cond ((pair? s) (A069770! (car s)) (if (pair? (cdr s)) (*A131173! (cddr s))))) s)`
	CROSSREFS	`Sequence in context: A089865 A089866 A089854 this_sequence A073286 A122312 A130985` `Adjacent sequences: A131170 A131171 A131172 this_sequence A131174 A131175 A131176`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Jun 20 2007`

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.

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