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 A064319 #7 Jun 30 2023 22:17:15 %S A064319 1,2,2,3,6,12,4,12,72,864,5,20,240,17280,14929920,6,30,600,144000, %T A064319 2488320000,37150418534400000,7,42,1260,756000,108864000000, %U A064319 270888468480000000000,10063619980174622195712000000000000000,8,56 %N A064319 Triangle with a(n,1) = n and a(n,k) = a(n,k-1) * a(n-1,k-1). %e A064319 Rows start %e A064319 1; %e A064319 2, 2; %e A064319 3, 6, 12; %e A064319 4, 12, 72, 864; %e A064319 ... %Y A064319 Columns include A000027, A002378, A047928, A064321. Right-hand side is A064320. Cf. A053218 which uses addition rather than multiplication to produce binomial transform. %K A064319 nonn,tabl %O A064319 1,2 %A A064319 _Henry Bottomley_, Sep 10 2001 %E A064319 Name corrected by _Sean A. Irvine_, Jun 30 2023