A119477 a(1)=1, a(n) = a((n+1)/2) + 2 if n is odd, a(n) = a(n/2) + 1 if n is even.

1, 2, 4, 3, 6, 5, 5, 4, 8, 7, 7, 6, 7, 6, 6, 5, 10, 9, 9, 8, 9, 8, 8, 7, 9, 8, 8, 7, 8, 7, 7, 6, 12, 11, 11, 10, 11, 10, 10, 9, 11, 10, 10, 9, 10, 9, 9, 8, 11, 10, 10, 9, 10, 9, 9, 8, 10, 9, 9, 8, 9, 8, 8, 7, 14, 13, 13, 12, 13, 12, 12, 11, 13, 12, 12, 11, 12, 11, 11, 10, 13, 12, 12, 11, 12, 11

Offset

1,2

Links

Table of n, a(n) for n=1..86.

Formula

a(n) = A061313(n) + 1. - Philippe Deléham, Nov 03 2008

Mathematica

a[1]=1; a[n_]:=a[n]=If[OddQ[n], a[(n+1)/2]+2, a[n/2]+1]; Table[a[n], {n, 300}]

Crossrefs

Cf. A061313, A119476.

Sequence in context: A308982 A182298 A182732 * A161920 A366943 A366945

Adjacent sequences: A119474 A119475 A119476 * A119478 A119479 A119480

Keyword

nonn

Author

Zak Seidov, May 22 2006

Status

approved