id:A073206 - OEIS Search Results

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Permutation of natural numbers induced by the gatomorphism gmA073206 acting on the parenthesizations as ordered by A014486.

+0
3

0, 1, 2, 3, 4, 6, 7, 5, 8, 9, 14, 16, 10, 19, 17, 18, 12, 11, 13, 20, 21, 15, 22, 23, 37, 42, 24, 51, 44, 47, 26, 25, 27, 53, 56, 38, 60, 45, 46, 48, 49, 50, 31, 32, 30, 28, 33, 34, 35, 39, 36, 54, 55, 57, 58, 59, 40, 29, 43, 52, 61, 62, 63, 41, 64, 65, 107, 121, 66, 149, 126 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Is there equivalent gatomorphism in A073200?`
	LINKS	`A. Karttunen, Gatomorphisms (with the complete Scheme source)` `Index entries for sequences that are permutations of the natural numbers`
	PROGRAM	`(Scheme function implementing this automorphism on list-structures:)` `(define (gmA073206 s) (cond ((pair? s) (gmA073206 (car s)) (gmA072797! s) (gmA073206 (cdr s)) (gmA072796! s))) s)`
	CROSSREFS	`Inverse permutation: A073205. The car/cdr-flipped conjugate of A073195, i.e. A073206(n) = A057163(A073195(A057163(n))). Cf. also A073207-A073210.` `The scheme functions gma072796! and gma072797! referred to below are given in A072796 and A072797.` `Adjacent sequences: A073203 A073204 A073205 this_sequence A073207 A073208 A073209` `Sequence in context: A085163 A084469 A085166 this_sequence A125987 A073198 A071661`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Jun 25 2002`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

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