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 A330141 #11 Jan 07 2020 01:43:49 %S A330141 1,1,1,1,2,2,1,3,7,4,1,4,17,20,9,1,5,36,65,60,21,1,6,72,176,249,176, %T A330141 51,1,7,141,434,833,889,518,127,1,8,275,1016,2470,3528,3094,1520,323, %U A330141 1,9,538,2307,6795,12150,14232,10494,4461,835 %N A330141 Triangle read by rows: binomial transform of triangle A330140. %C A330141 Row sums = the binomial transform of the Catalan numbers, A007317. %C A330141 Right border = the Motzkin numbers, A001006. %e A330141 First few rows of the triangle are: %e A330141 1; %e A330141 1, 1; %e A330141 1, 2, 2; %e A330141 1, 3, 7, 4; %e A330141 1, 4, 17, 20, 9; %e A330141 1, 5, 36, 65, 60, 21; %e A330141 1, 6, 72, 176, 249, 176, 51; %e A330141 1, 7, 141, 434, 833, 889, 518, 127; %e A330141 ... %Y A330141 Cf. A330140, A007317, A007318, A001006. %K A330141 nonn,tabl %O A330141 0,5 %A A330141 _Gary W. Adamson_, Dec 02 2019