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 A152194 #4 Jun 02 2025 01:13:15 %S A152194 1,1,2,1,4,3,8,7,1,16,15,5,32,31,16,1,64,63,42,7,128,127,99,29,1256, %T A152194 255,219,93,9,512,511,466,256,46,1,1024,1023,968,638,176,11,2048,2047, %U A152194 1981,1486,562,67,1 %N A152194 Triangle read by rows, A034839 * A000012. %C A152194 Row sums = A045891: (1, 1, 3, 7, 16, 36, 80, 176,...) %F A152194 A034839 * A000012 = partial sums of A034839 by rows, starting from the right. %e A152194 First few rows of the triangle = %e A152194 1; %e A152194 1; %e A152194 2, 1; %e A152194 4, 3; %e A152194 8, 7, 1; %e A152194 16, 15, 5; %e A152194 32, 31, 16, 1; %e A152194 64, 63, 42, 7; %e A152194 128, 127, 99, 29, 1; %e A152194 256, 255, 219, 93, 9; %e A152194 512, 511, 466, 256, 46, 1; %e A152194 1024, 1023, 968, 638, 176, 11; %e A152194 2048, 2047, 1981, 1486, 562, 67, 1; %e A152194 ... %Y A152194 A034839, A045891 %K A152194 nonn,tabl %O A152194 0,3 %A A152194 _Gary W. Adamson_, Nov 28 2008