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 A082036 #5 Jan 29 2019 17:51:02 %S A082036 1,13,86,546,3768,28920,246960,2333520,24232320,274700160,3378412800, %T A082036 44826566400,638509132800,9720379468800,157531172198400, %U A082036 2708193616128000,49231324606464000,943638746738688000 %N A082036 a(n) = (9*n^2+3*n+1) * n!. %C A082036 A row of the number array A082038. %F A082036 a(n) = 9*A002775(n) + 3*A001563(n) + n!. %Y A082036 Cf. A082035. %K A082036 easy,nonn %O A082036 0,2 %A A082036 _Paul Barry_, Apr 02 2003 %E A082036 Definition and formula corrected by Neven Juric, Jul 01 2008