A195392 a(n) = (8*n)!.

1, 40320, 20922789888000, 620448401733239439360000, 263130836933693530167218012160000000, 815915283247897734345611269596115894272000000000, 12413915592536072670862289047373375038521486354677760000000000, 710998587804863451854045647463724949736497978881168458687447040000000000000

Offset: 0

Author

Vincenzo Librandi, Sep 24 2011

Keywords

• nonn
• easy

Links

• Vincenzo Librandi, Table of n, a(n) for n = 0..55

Crossrefs

Cf. A000152, A010050, A100732, A100733, A100734, A195390, A195391

Programs

Magma

[Factorial(8*n): n in [0..10]];

Mathematica

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