OFFSET
1,4
FORMULA
a(n) is asymptotic to n/3; conjecture: abs(a(n)-n/3) < log(n+1).
a(n) = A068639(n) - A065359(n) + (-1)^floor(log_2(n)) = A050292(n) - A068639(n) + (-1)^floor(log_2(n)). - Ralf Stephan, Oct 27 2003
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Nov 26 2002
STATUS
approved