OFFSET
1,6
REFERENCES
R. P. Stanley, Enumerative Combinatorics, Cambridge, Vol. 2, 1999; see Prop. 5.3.2.
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..250
FORMULA
E.g.f.: -LambertW(-x)^5/5!. - Vladeta Jovovic, Apr 07 2001
MATHEMATICA
Table[Binomial[n-1, 4]*n^(n-5), {n, 1, 25}] (* G. C. Greubel, Jan 18 2017 *)
PROG
(PARI) vector(25, n, binomial(n-1, 4)*n^(n-5)) \\ G. C. Greubel, Jan 18 2017
(Magma) [Binomial(n-1, 4)*n^(n-5): n in [1..30]]; // G. C. Greubel, Nov 14 2017
(Sage) [binomial(n-1, 4)*n^(n-5) for n in (1..25)] # G. C. Greubel, May 15 2019
(GAP) List([1..25], n-> Binomial(n-1, 4)*n^(n-5)) # G. C. Greubel, May 15 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 15 2000
STATUS
approved