OFFSET
0,2
LINKS
FORMULA
From Amiram Eldar, Sep 27 2022: (Start)
Sum_{n>=0} 1/a(n) = 120*BesselI(5,2).
Sum_{n>=0} (-1)^n/a(n) = 120*BesselJ(5,2). (End)
a(n) = 1/([x^n] hypergeom([], [6], x)). - Peter Luschny, Sep 13 2024
MAPLE
f := n->n!*(n+5)!/5!;
MATHEMATICA
With[{c=5!}, Table[(n!(n+5)!)/c, {n, 0, 20}]] (* Harvey P. Dale, Oct 03 2011 *)
PROG
(Magma) [Factorial(n)*Factorial(n+5) / Factorial(5): n in [0..20]]; // Vincenzo Librandi, Oct 04 2011
(PARI) a(n)=n!^2*binomial(n+5, 5) \\ Charles R Greathouse IV, Oct 23 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Harvey P. Dale, Oct 03 2011
STATUS
approved