OFFSET
1,3
LINKS
Harry J. Smith, Table of n, a(n) for n = 1..1000
PROG
(PARI) M(n)=sum(k=1, n, moebius(k));
j=[]; for(n=1, 200, j=concat(j, M(2*n-1))); j
(PARI) { for (n=1, 1000, if (n>1, a+=moebius(2*n - 2) + moebius(2*n - 1), a=1); write("b063473.txt", n, " ", a) ) } \\ Harry J. Smith, Aug 22 2009
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Jason Earls, Jul 27 2001
STATUS
approved