OFFSET
1,8
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
EXAMPLE
a(5)=mu(1)*omega(4)+mu(2)*omega(3)+mu(3)*omega(2)+mu(4)*omega(1)
= 1*1 - 1*1 - 1*1 + 0*0 = -1.
PROG
(Haskell)
a112966 n = sum $ zipWith (*)
a008683_list $ reverse $ take (n - 1) a001221_list
-- Reinhard Zumkeller, Feb 29 2012
CROSSREFS
KEYWORD
sign,look
AUTHOR
Reinhard Zumkeller, Oct 07 2005
STATUS
approved