OFFSET
0,2
FORMULA
a(n) = (n+1) * (n+2) * A000254(n). - Joerg Arndt, Aug 13 2014
E.g.f.: (x^2-4*x+2*log(1-x))/(x-1)^3.
a(n) = (n+2)/n *((2*n-1)*a(n-1) - (n^2-1)*a(n-2)). - Robert Israel, Aug 13 2014
MAPLE
h:=n-> sum(1/k, k=1..n):seq((n+2)!*h(n), n=0..20);
CROSSREFS
KEYWORD
nonn
AUTHOR
Gary Detlefs, Aug 15 2010
STATUS
approved