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A065249 Permutation of N induced by the order-preserving permutation of the positive rational numbers (x -> x/2), positions in Stern-Brocot tree. 6
2, 8, 1, 32, 4, 11, 6, 128, 16, 35, 18, 5, 47, 24, 3, 512, 64, 131, 66, 17, 143, 72, 9, 21, 44, 23, 191, 96, 12, 27, 14, 2048, 256, 515, 258, 65, 527, 264, 33, 69, 140, 71, 575, 288, 36, 75, 38, 10, 87, 176, 22, 93, 188, 95, 767, 384, 48, 99, 50, 13, 111, 56, 7, 8192 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..64.

A. Karttunen, Conjecture regarding A065249 and A065251

Index entries for sequences related to Stern's sequences

Index entries for sequences that are permutations of the natural numbers

MAPLE

[seq(A065249(j), j=1..120)]; A065249 := n -> frac2position_in_whole_SB_tree((SternBrocotTreeNum(n)/SternBrocotTreeDen(n))/2);

CROSSREFS

Cf. A057114, A065251. Inverse permutation: A065250.

Sequence in context: A199787 A165274 A221074 * A062038 A318106 A305677

Adjacent sequences:  A065246 A065247 A065248 * A065250 A065251 A065252

KEYWORD

nonn

AUTHOR

Antti Karttunen, Oct 25 2001

STATUS

approved

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Last modified January 18 23:05 EST 2019. Contains 319282 sequences. (Running on oeis4.)