OFFSET
1,6
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
EXAMPLE
a(5)=mu(1)*tau(4)+mu(2)*tau(3)+mu(3)*tau(2)+mu(4)*tau(1)
= 1*3 - 1*2 - 1*2 + 0*1 = -1.
PROG
(Haskell)
a112963 n = sum $ zipWith (*)
a008683_list $ reverse $ take (n - 1) a000005_list
-- Reinhard Zumkeller, Feb 29 2012
CROSSREFS
KEYWORD
sign
AUTHOR
Reinhard Zumkeller, Oct 07 2005
STATUS
approved