A107447 a(n) = binomial(n!, n^2).

1, 0, 0, 735471, 41749257038001257014137504, 8072776113194557737391130747136885454937928869204466648295480, 34145180671088019813488798475366394184193477615213303683031012996650190080826664983024305988320017979711374101114480000

Offset

1,4

Links

G. C. Greubel, Table of n, a(n) for n = 1..11

Mathematica

a[n_]:= Binomial[n!, n^2]; Array[a, 10]

Prog

(Magma) [Binomial(Factorial(n), n^2): n in [1..9]]; // G. C. Greubel, Mar 24 2024
(SageMath) [binomial(factorial(n), n^2) for n in range(1, 10)] # G. C. Greubel, Mar 24 2024

Crossrefs

Cf. A014062 C(n^2, n), A086687 C(n!, n).

Sequence in context: A238297 A329225 A236901 * A184504 A249317 A251487

Adjacent sequences: A107444 A107445 A107446 * A107448 A107449 A107450

Keyword

nonn,easy,changed

Author

Zak Seidov, May 26 2005

Status

approved