id:A073196 - OEIS Search Results

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Permutation of natural numbers induced by the gatomorphism gmA073196 acting on the parenthesizations as ordered by A014486.

+0
4

0, 1, 2, 3, 4, 6, 7, 5, 8, 9, 10, 14, 16, 19, 17, 21, 12, 11, 15, 18, 13, 20, 22, 23, 24, 25, 26, 27, 37, 38, 42, 44, 53, 51, 56, 47, 60, 45, 46, 58, 49, 59, 31, 34, 30, 28, 29, 40, 39, 43, 52, 48, 62, 35, 33, 41, 57, 32, 54, 63, 55, 36, 61, 50, 64, 65, 66, 67, 68, 69, 70, 71 (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 (gmA073196 s) (cond ((pair? s) (gmA072797! s) (gmA073196 (car s)) (gmA072796! s) (gmA073196 (car s)))) s)`
	CROSSREFS	`Inverse permutation: A073197. The car/cdr-flipped conjugate of A073207, i.e. A073196(n) = A057163(A073207(A057163(n))). Cf. also A073194-A073199.` `The scheme functions gma072796! and gma072797! referred to below are given in A072796 and A072797.` `Adjacent sequences: A073193 A073194 A073195 this_sequence A073197 A073198 A073199` `Sequence in context: A123497 A123501 A073210 this_sequence A086430 A073194 A085159`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Jun 25 2002`

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.

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