A065250 - OEIS

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A065250

Permutation of N induced by the order-preserving permutation of the positive rational numbers (x -> 2x), positions in Stern-Brocot tree.

3, 1, 15, 5, 12, 7, 63, 2, 23, 48, 6, 29, 60, 31, 255, 9, 20, 11, 95, 192, 24, 51, 26, 14, 119, 240, 30, 125, 252, 127, 1023, 4, 39, 80, 10, 45, 92, 47, 383, 768, 96, 195, 98, 25, 207, 104, 13, 57, 116, 59, 479, 960, 120, 243, 122, 62, 503, 1008, 126, 509, 1020, 511 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	LINKS	`Index entries for sequences related to Stern's sequences` `Index entries for sequences that are permutations of the natural numbers`
	MAPLE	`[seq(A065250(j), j=1..120)]; A065250 := n -> frac2position_in_whole_SB_tree((SternBrocotTreeNum(n)/SternBrocotTreeDen(n))*2);`
	CROSSREFS	`Cf. A057114, A065251. Inverse permutation A065249.` `Sequence in context: A121335 A126454 A144815 * A092589 A048966 A104990` `Adjacent sequences: A065247 A065248 A065249 * A065251 A065252 A065253`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Oct 25 2001`

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Last modified February 16 02:51 EST 2012. Contains 205860 sequences.