OFFSET
0,3
COMMENTS
Partial sums of A106347.
a(n) = A152487(n+2,3) for n>0. [From Reinhard Zumkeller, Dec 06 2008]
FORMULA
a(2^(n+1)-2)=n+1; a(k)=n-1 for 2^n-2<k<2^(n+1)-2
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Apr 29 2005
STATUS
approved