id:A072089 - OEIS Search Results

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A072089

Permutation of natural numbers induced by the automorphism gt-df->bf (switch from the Depth First to the Breadth First coding for the general trees/parenthesizations) acting on the parenthesizations encoded by A014486.

+0
10

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 19, 16, 17, 18, 15, 20, 21, 22, 23, 24, 25, 26, 27, 28, 33, 30, 31, 32, 29, 34, 35, 36, 37, 39, 51, 56, 52, 42, 53, 44, 45, 46, 43, 48, 49, 50, 38, 60, 47, 54, 61, 40, 57, 58, 59, 41, 55, 62, 63, 64, 65, 66, 67, 68, 69, 70, 75 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`When restricted to the subset of plane binary trees, produces the automorphism A057118, and being "self-embeddable", this allows us also to construct the permutation A072620 (A072622). [See comment at A072088].`
	LINKS	`A. Karttunen, Gatomorphisms (Includes the complete Scheme program for computing this sequence)` `Index entries for sequences that are permutations of the natural numbers`
	CROSSREFS	`Inverse permutation: A072088. Cf. also A014486, A057118, A072620.` `Sequence in context: A023783 A039698 A078107 this_sequence A072088 A023768 A023795` `Adjacent sequences: A072086 A072087 A072088 this_sequence A072090 A072091 A072092`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Jun 25 2002`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

AT&T Labs Research