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 A010798 #20 Aug 14 2023 08:27:49 %S A010798 1,120,43200,36288000,60963840000,184354652160000,929147446886400000, %T A010798 7358847779340288000000,87423111618562621440000000, %U A010798 1500180595374534583910400000000,36040338623277818843863449600000000 %N A010798 a(n) = n! * (n+1)! * (n+2)! * (n+3)! / (2! * 3! * 4!). %H A010798 Seiichi Manyama, <a href="/A010798/b010798.txt">Table of n, a(n) for n = 1..142</a> %H A010798 <a href="/index/Fa#factorial">Index entries for sequences related to factorial numbers</a> %t A010798 #/(2!3!4!)&/@Times@@@Partition[Range[20]!,4,1] (* _Harvey P. Dale_, Jul 29 2022 *) %Y A010798 Column 4 in triangle A009963. %K A010798 nonn,easy %O A010798 1,2 %A A010798 _N. J. A. Sloane_ %E A010798 Offset changed to 1 by _Seiichi Manyama_, Aug 14 2023