id:A074682 - OEIS Search Results

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Permutation of natural numbers induced by the gatomorphism gmA074682! acting on the parenthesizations encoded by A014486/A063171.

+0
7

0, 1, 3, 2, 8, 7, 4, 6, 5, 22, 21, 17, 20, 18, 10, 9, 14, 19, 16, 11, 12, 15, 13, 64, 63, 58, 62, 59, 46, 45, 54, 61, 57, 48, 49, 55, 50, 27, 26, 23, 25, 24, 38, 37, 51, 60, 56, 42, 44, 53, 47, 29, 28, 30, 32, 31, 39, 40, 52, 43, 33, 34, 35, 41, 36, 196, 195, 189, 194, 190 (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 (gmA074682! s) (cond ((pair? s) (gmA074682! (car s)) (gmA074682! (cdr s)) (gmrobr! s))) s)`
	CROSSREFS	`Inverse of A074681. a(n) = A057163(A074683(A057163(n))). Occurs in A073200.` `Sequence in context: A082336 A122333 A130356 this_sequence A131167 A127290 A131005` `Adjacent sequences: A074679 A074680 A074681 this_sequence A074683 A074684 A074685`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Sep 11 2002`

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.

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