id:A065168 - OEIS Search Results

Search: id:A065168

Displaying 1-1 of 1 results found.

page 1

Permutation t->t-1 of Z, folded to N.

+0
3

3, 1, 5, 2, 7, 4, 9, 6, 11, 8, 13, 10, 15, 12, 17, 14, 19, 16, 21, 18, 23, 20, 25, 22, 27, 24, 29, 26, 31, 28, 33, 30, 35, 32, 37, 34, 39, 36, 41, 38, 43, 40, 45, 42, 47, 44, 49, 46, 51, 48, 53, 50, 55, 52, 57, 54, 59, 56, 61, 58, 63, 60, 65, 62, 67, 64, 69, 66, 71, 68, 73, 70 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`This permutation consists of just one cycle, which is infinite.`
	LINKS	`Index entries for sequences that are permutations of the natural numbers`
	FORMULA	`Let f: Z -> N be given by f(z) = 2z if z>0 else 2\|z\|+1, with inverse g(z) = z/2 if z even else (1-z)/2. Then a(n) = f(g(n)-1).`
	CROSSREFS	`Inverse permutation to A065164.` `Obtained by composing permutations A065190 and A014681.` `Sequence in context: A094367 A092368 A066249 this_sequence A065277 A059971 A099548` `Adjacent sequences: A065165 A065166 A065167 this_sequence A065169 A065170 A065171`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Oct 19 2001`

page 1

Search completed in 0.002 seconds

Last modified December 3 16:57 EST 2008. Contains 151279 sequences.

AT&T Labs Research