OFFSET
0,1
COMMENTS
Third column of Sheffer type triangle A238363 (without leading zeros).
LINKS
Michael De Vlieger, Table of n, a(n) for n = 0..448
FORMULA
a(n) = (-1)^n*(n+3)!/(2*(n+1)) for n >= 0.
E.g.f.: (d^3/dx^3)(log(1+x)*x^2/2!) = (x^2+3*x+3)/(1+x)^3.
MATHEMATICA
Fold[Append[#1, (-1)^#2 (#2 + 3)!/(2 (#2 + 1))] &, {3}, Range@ 20] (* Michael De Vlieger, Dec 18 2017 *)
CROSSREFS
KEYWORD
sign,easy
AUTHOR
Wolfdieter Lang, Mar 01 2014
STATUS
approved