id:A123719 - OEIS Search Results

Search: id:A123719

Displaying 1-1 of 1 results found.

page 1

An involution of nonnegative integers: signature permutation of Catalan automorphism which is obtained with recursion schema RIBS from automorphism *A085161

+0
1

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 21, 19, 20, 18, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 35, 33, 34, 32, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 58, 56, 54, 49, 63, 51, 52, 53, 48, 62, 47, 57, 46, 59, 60, 61, 55, 50, 64, 65, 66, 67, 68, 69, 70, 71 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Recursion schema RIBS is defined in A122200. Number of fixed points in range [A014137(n-1)..A014138(n-1)] of this permutation is given by INVERT transform of A001405, appropriately shifted.`
	LINKS	`Index entries for signature-permutations of Catalan automorphisms`
	PROGRAM	`(Scheme function, constructive implementation of this automorphism acting on S-expressions:) (define A123719 (RIBS A085161))`
	CROSSREFS	`a(n) = A085160(A085163(n)). A085163(n) = A085159(a(n)).` `Sequence in context: A098452 A088382 A146295 this_sequence A113221 A113219 A023771` `Adjacent sequences: A123716 A123717 A123718 this_sequence A123720 A123721 A123722`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Oct 11 2006`

page 1

Search completed in 0.002 seconds

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research