A159624 a(n)=A159619(2n)-A159615(2n)

3, 4, 5, 6, 6, 7, 9, 10, 10, 10, 10, 11, 13, 15, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 21, 23, 25, 27, 29, 31, 33, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 35, 37, 39, 41, 43, 45, 47

Offset

1,1

Links

Table of n, a(n) for n=1..54.

Formula

For n>=2, a(n)=2^k+2, if 2^k<=n<=2^k+2^(k-1)-1; a(n)=2^k+2j+3, if n=2^k+2^(k-1)+j, 0<=j<=2^(k-1)-1.

Crossrefs

A159615 A159619

Sequence in context: A104136 A198466 A212642 * A320727 A036288 A159077

Adjacent sequences: A159621 A159622 A159623 * A159625 A159626 A159627

Keyword

nonn

Author

Vladimir Shevelev, Apr 17 2009

Status

approved