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 A082037 #3 Mar 30 2012 18:58:49 %S A082037 1,1,1,1,2,2,1,3,6,6,1,4,10,24,24,1,5,14,42,120,120,1,6,18,60,216,720, %T A082037 720,1,7,22,78,312,1320,5040,5040,1,8,26,96,408,1920,9360,40320,40320, %U A082037 1,9,30,114,504,2520,13680,75600,362880,362880 %N A082037 A square array of linear-factorial numbers, read by antidiagonals. %C A082037 Rows include A000142(n), A000142(n+1), A007680, A082033, A082034. Columns include 2!*A005408(n),3!*A016777(n),4!*A016813(n),5!*A016861. Main diagonal is A082042. %F A082037 Square array defined by T(n, k)=(kn+1)n! %e A082037 Rows begin %e A082037 1 1 2 6 .... %e A082037 1 2 6 24 ... %e A082037 1 3 10 42 ... %e A082037 1 4 14 60 ... %e A082037 1 5 18 78 ... %Y A082037 Cf. A077038. %K A082037 easy,nonn,tabl %O A082037 0,5 %A A082037 _Paul Barry_, Apr 02 2003