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A135529 Guy Steele's sequence GS(4,5) (see A135416). 9
1, 2, 2, 3, 4, 3, 4, 4, 6, 5, 8, 4, 6, 5, 8, 5, 8, 7, 12, 6, 10, 9, 16, 5, 8, 7, 12, 6, 10, 9, 16, 6, 10, 9, 16, 8, 14, 13, 24, 7, 12, 11, 20, 10, 18, 17, 32, 6, 10, 9, 16, 8, 14, 13, 24, 7, 12, 11, 20, 10, 18, 17, 32, 7, 12, 11, 20, 10, 18, 17, 32, 9, 16, 15, 28, 14, 26, 25, 48, 8, 14, 13, 24 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..1000

FORMULA

a(n) = A135533(n) + 1 - 2^(A000120(n)-1). - Don Knuth, Mar 01 2008

MAPLE

GS(4, 5, 200); # [see A135416].

MATHEMATICA

i = 4; j = 5; Clear[a]; a[1] = 1; a[n_?EvenQ] := a[n] = {0, 1, a[n/2], a[n/2]+1, 2*a[n/2], 2*a[n/2]+1}[[i]]; a[n_?OddQ] := a[n] = {0, 1, a[(n-1)/2], a[(n-1)/2]+1, 2*a[(n-1)/2], 2*a[(n-1)/2]+1}[[j]]; Array[a, 83] (* Jean-Fran├žois Alcover, Sep 12 2013 *)

CROSSREFS

Cf. A135416.

Sequence in context: A127432 A199408 A285325 * A061282 A244040 A064514

Adjacent sequences:  A135526 A135527 A135528 * A135530 A135531 A135532

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, based on a message from Guy Steele and Don Knuth, Mar 01 2008

STATUS

approved

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Last modified June 15 16:13 EDT 2019. Contains 324142 sequences. (Running on oeis4.)