OFFSET
0,2
FORMULA
a(n) is divisible by (n+1) for n>=0.
EXAMPLE
a(n)/(n+1) = [1,1,2,7,30,155,898,5765,39994,297365,2342450,...].
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Dec 11 2008
STATUS
approved