OFFSET
4,1
LINKS
Alois P. Heinz, Table of n, a(n) for n = 4..1000
FORMULA
E.g.f.: x^4/4! * Sum_{j=0..4} Stirling2(4,j)*exp(x)^j.
a(n) = C(n,4) * Sum_{j=0..4} Stirling2(4,j) * j^(n-4).
MAPLE
a:= n-> binomial(n, 4)*add(Stirling2(4, j)*j^(n-4), j=0..4):
seq(a(n), n=4..40);
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, May 27 2016
STATUS
approved