OFFSET
0,2
COMMENTS
Also third column (m=3) of triangle A049029 (S2(5)).
FORMULA
a(n) = A000369(n+4,4) = |S2(-3;n+4,4)|, n >= 0.
E.g.f.: d^4/dx^4 ((1-(1-4*x)^(1/4))^4)/4! = (-1/2)*(-45*(1-4*x)^(1/2)+120*(1-4*x)^(1/4)-77)/(1-4*x)^(15/4).
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Sep 15 2008
STATUS
approved