A123719 - OEIS

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A123719

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

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; refs; listen; history; internal format)

	OFFSET	`0,3`
	COMMENTS	`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`
	PROG	`(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: A088382 A188459 A146295 * A113221 A113219 A179978` `Adjacent sequences: A123716 A123717 A123718 * A123720 A123721 A123722`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Oct 11 2006`

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Last modified February 16 05:39 EST 2012. Contains 205860 sequences.