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 A085916 #9 Jan 31 2022 08:25:32 %S A085916 1,2,2,3,2,3,4,4,6,4,5,12,12,12,5,6,48,48,72,20,6,7,240,576,864,240, %T A085916 30,7,8,1440,27648,41472,17280,600,42,8,9,10080,6635520,23887872, %U A085916 14929920,144000,1260,56,9,10,80640,9555148800,660451885056,619173642240 %N A085916 Array T(i,1)=i, T(1,j)=j and T(i,j)=T(i-1,j-1)*T(i,j-1) read by antidiagonals. %Y A085916 Cf. A064320 (main diagonal). %K A085916 nonn,tabl %O A085916 1,2 %A A085916 _Benoit Cloitre_, Aug 16 2003 %E A085916 Definition corrected by _Georg Fischer_, Jan 31 2022