This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A195392 #18 Aug 12 2025 14:45:43 %S A195392 1,40320,20922789888000,620448401733239439360000, %T A195392 263130836933693530167218012160000000, %U A195392 815915283247897734345611269596115894272000000000,12413915592536072670862289047373375038521486354677760000000000,710998587804863451854045647463724949736497978881168458687447040000000000000 %N A195392 a(n) = (8*n)!. %H A195392 Vincenzo Librandi, <a href="/A195392/b195392.txt">Table of n, a(n) for n = 0..55</a> %t A195392 (8*Range[0, 8])! (* _Paolo Xausa_, Aug 12 2025 *) %o A195392 (Magma) [Factorial(8*n): n in [0..10]]; %Y A195392 Cf. A000152, A010050, A100732, A100733, A100734, A195390, A195391 %K A195392 nonn,easy %O A195392 0,2 %A A195392 _Vincenzo Librandi_, Sep 24 2011