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 A153341 #9 Jun 02 2025 01:16:40 %S A153341 1,2,1,3,3,1,5,8,5,1,8,17,15,6,1,13,35,41,25,8,1,21,68,98,78,36,9,1, %T A153341 34,129,222,220,135,51,11,1,55,239,477,562,425,210,66,12,1,89,436,991, %U A153341 1355,1222,751,314,86,14,1,144,785,2001,3110,3248,2373,1225,440,105,15,1,233,1399,3953,6883,8171,6923,4263,1905,605,130,17,1 %N A153341 Triangle read by rows, A065941 * A007318. %C A153341 Row sums = A026581: (1, 3, 7, 19, 47, 123,...) %F A153341 Triangle read by rows, A065941 * Pascal's triangle. %e A153341 First few rows of the triangle = %e A153341 1; %e A153341 2, 1; %e A153341 3, 3, 1; %e A153341 5, 8, 5, 1; %e A153341 8, 17, 15, 6, 1; %e A153341 13, 35, 41, 25, 8, 1; %e A153341 21, 68, 98, 78, 36, 9, 1; %e A153341 34, 129, 222, 220, 135, 51, 11, 1; %e A153341 55, 239, 477, 562, 425, 210, 66, 12, 1; %e A153341 89, 436, 991, 1355, 1222, 751, 314, 86, 14, 1; %e A153341 ... %Y A153341 Cf. A007318, A065941. %K A153341 nonn,tabl %O A153341 0,2 %A A153341 _Gary W. Adamson_, Dec 24 2008 %E A153341 a(37) = 239 corrected and more terms from _Georg Fischer_, May 29 2023