A163234 - OEIS

This site is supported by donations to The OEIS Foundation.

A163234

Inverse permutation of A163233.

0, 1, 2, 4, 6, 3, 11, 7, 9, 13, 5, 8, 24, 18, 17, 12, 28, 21, 37, 29, 10, 15, 16, 22, 58, 48, 47, 38, 31, 39, 23, 30, 35, 43, 27, 34, 62, 52, 51, 42, 14, 19, 20, 26, 32, 25, 41, 33, 112, 98, 97, 84, 73, 85, 61, 72, 70, 59, 83, 71, 40, 49, 50, 60, 120, 105, 137, 121, 78 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	LINKS	`A. Karttunen, Table of n, a(n) for n = 0..4095` `Index entries for sequences that are permutations of the natural numbers`
	FORMULA	`a(n) = A001477bi(A006068(A059905(n)),A006068(A059906(n))), where A001477bi(x,y) = (((x+y)^2)+x+(3y))/2.`
	PROG	`(Scheme:) (define (A163234 n) (A001477bi (A006068 (A059905 n)) (A006068 (A059906 n))))` `(define (A001477bi x y) (/ (+ (expt (+ x y) 2) x (* 3 y)) 2))`
	CROSSREFS	`Inverse: A163233. a(n) = A163236(A057300(n)). Cf. A163236.` `Sequence in context: A057063 A108236 A002849 * A072984 A018841 A138125` `Adjacent sequences: A163231 A163232 A163233 * A163235 A163236 A163237`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Jul 29 2009`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 03:30 EST 2012. Contains 205978 sequences.