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 A141157 #8 May 29 2023 11:26:06 %S A141157 1,2,1,3,2,2,4,3,4,3,5,4,6,6,5,6,5,8,9,10,7,7,6,10,12,15,14,11,8,7,12, %T A141157 15,20,21,22,15,9,8,14,18,25,28,33,30,22,10,9,16,21,30,35,44,45,44,30, %U A141157 11,10,18,24,35,42,55,60,66,60,42,12,11,20,27,40,49,66,75,88,90,84,56 %N A141157 Triangle read by rows, A000012 * A140207. %C A141157 Right border = partition numbers, A000041. %C A141157 Row sums = A014153: (1, 3, 7, 14, 26, 45, 75,...). %F A141157 Triangle read by rows, A000012 * A140207; equivalent to taking partial sums of triangle A140207 terms, by columns. %e A141157 First few rows of the triangle are: %e A141157 1; %e A141157 2, 1; %e A141157 3, 2, 2; %e A141157 4, 3, 4, 3; %e A141157 5, 4, 6, 6, 5; %e A141157 6, 5, 8, 9, 10, 7; %e A141157 7, 6, 10, 12, 15, 14, 11; %e A141157 8, 7, 12, 15, 20, 21, 22, 15; %e A141157 9, 8, 14, 18, 25, 28, 33, 30, 22; %e A141157 10, 9, 16, 21, 30, 35, 44, 45, 44, 30; %e A141157 ... %Y A141157 Cf. A000041, A014153, A140207. %K A141157 nonn,tabl %O A141157 0,2 %A A141157 _Gary W. Adamson_ & _Roger L. Bagula_, Jun 12 2008 %E A141157 a(60) split and more terms from _Georg Fischer_, May 29 2023