OFFSET
0,3
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 0..1000
PROG
(Haskell)
a209039 n = p (max 1 (n `div` 5)) n where
p _ 0 = 1
p k m = if m < k then 0 else p k (m - k) + p (k + 1) m
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Mar 04 2012
STATUS
approved