OFFSET
1,2
PROG
(PARI) vector(50, n, 2^n-moebius(n))
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Jason Earls, Jul 18 2001
EXTENSIONS
More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 29 2003
STATUS
approved