OFFSET
1,6
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*2 - 1*1 - 1*1 + 0*1 = 0.
MATHEMATICA
PROG
(Haskell)
a112968 n = sum $ zipWith (*)
a008683_list $ reverse $ take (n - 1) a001222_list
-- Reinhard Zumkeller, Feb 29 2012
CROSSREFS
KEYWORD
sign
AUTHOR
Reinhard Zumkeller, Oct 07 2005
EXTENSIONS
Corrected by N. J. A. Sloane, Mar 01 2006
STATUS
approved