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 A029637 #15 Mar 02 2020 07:27:08 %S A029637 1,1,3,1,4,5,1,5,9,7,1,6,14,16,9,1,7,20,30,25,11,1,8,27,50,55,36,13,1, %T A029637 9,35,77,105,91,49,15,1,10,44,112,182,196,140,64,17,1,11,54,156,294, %U A029637 378,336,204,81,19,1,12,65,210,450,672,714,540,285,100,21,1,13,77,275,660 %N A029637 Numbers in the (1,2)-Pascal triangle A029635 that are different from 2. %K A029637 nonn,tabf %O A029637 1,3 %A A029637 _Mohammad K. Azarian_ %E A029637 More terms from _David W. Wilson_ %E A029637 Leading 1 removed as consequence of change in A029635 by _Sean A. Irvine_, Mar 01 2020