OFFSET
1,2
LINKS
R. Zumkeller, Table of n, a(n) for n = 1..5000
FORMULA
a(2^k) = k+1; a(4*k+2) = a(4*k+1) + 1; a(4*k+3) = 2*a(4*k+2) + 1. - Reinhard Zumkeller, Mar 02 2008
CROSSREFS
KEYWORD
AUTHOR
Don Knuth, Mar 01 2008
EXTENSIONS
More terms from Reinhard Zumkeller, Mar 02 2008
STATUS
approved