id:A074681 - OEIS Search Results

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Permutation of natural numbers induced by the gatomorphism gmA074681! acting on the parenthesizations encoded by A014486/A063171.

+0
11

0, 1, 3, 2, 6, 8, 7, 5, 4, 15, 14, 19, 20, 22, 16, 21, 18, 11, 13, 17, 12, 10, 9, 39, 41, 40, 38, 37, 52, 51, 53, 55, 54, 60, 61, 62, 64, 43, 42, 56, 57, 63, 47, 59, 48, 29, 28, 50, 33, 34, 36, 44, 58, 49, 30, 35, 46, 32, 25, 27, 45, 31, 26, 24, 23, 113, 112, 117, 118, 120 (list; graph; listen)

	OFFSET	`0,3`
	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 (gmA074681! s) (cond ((pair? s) (gmrobl! s) (gmA074681! (car s)) (gmA074681! (cdr s)))) s)`
	CROSSREFS	`Inverse of A074682. a(n) = A057163(A074684(A057163(n))). Cf. A074685, A074687, A074689. Occurs in A073200 as row 5572432.` `Adjacent sequences: A074678 A074679 A074680 this_sequence A074682 A074683 A074684` `Sequence in context: A130368 A130961 A122334 this_sequence A130355 A127289 A131168`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Sep 11 2002`

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

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