OFFSET
1,6
COMMENTS
a(odd) = 0.
LINKS
R. Zumkeller, Table of n, a(n) for n = 1..250
EXAMPLE
a(12)=#{3*4,2*3+2*3,2*3+1*2+1*2+1*2,1*2+1*2+1*2+1*2+1*2+1*2}=4.
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Feb 21 2008
STATUS
approved