OFFSET
1,5
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..1000
D. Zvonkine, Home Page
D. Zvonkine, Counting ramified coverings and intersection theory on Hurwitz spaces II (local structure of Hurwitz spaces and combinatorial results), Moscow Mathematical Journal, vol. 7 (2007), no. 1, 135-162.
Index entries for linear recurrences with constant coefficients, signature (5,-10,10,-5,1).
FORMULA
G.f.: 384*x^5/(1-x)^5. - Colin Barker, Aug 28 2012
MATHEMATICA
LinearRecurrence[{5, -10, 10, -5, 1}, {0, 0, 0, 0, 384} , 50] (* or *) Table[(32/2)*(n-1)*(n-2)*(n-3)*(n-4), {n, 1, 50}] (* G. C. Greubel, May 30 2016 *)
PROG
(PARI) a(n) = 16*(n-1)*(n-2)*(n-3)*(n-4) \\ Michel Marcus, Jun 27 2013
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Jan 30 2008
STATUS
approved