A195391 a(n) = (7*n)!.

1, 5040, 87178291200, 51090942171709440000, 304888344611713860501504000000, 10333147966386144929666651337523200000000, 1405006117752879898543142606244511569936384000000000, 608281864034267560872252163321295376887552831379210240000000000, 710998587804863451854045647463724949736497978881168458687447040000000000000

Offset: 0

Author

Vincenzo Librandi, Sep 24 2011

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..60

Crossrefs

Cf. A000152, A010050, A100732, A100733, A100734, A195390, A271947.

Programs

Magma

[Factorial(7*n): n in [0..10]];

Mathematica

(7*Range[0, 8])! (* Paolo Xausa, Aug 12 2025 *)

PARI

a(n)=(7*n)! \\ Charles R Greathouse IV, Dec 27 2011