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 A028276 #8 Jul 02 2025 16:01:55 %S A028276 4,5,5,6,10,6,7,16,16,7,8,23,32,23,8,9,31,55,55,31,9,10,40,86,110,86, %T A028276 40,10,11,50,126,196,196,126,50,11,12,61,176,322,392,322,176,61,12,13, %U A028276 73,237,498,714,714,498,237,73,13,14,86,310,735,1212,1428,1212,735,310 %N A028276 Elements in 4-Pascal triangle A028275 (by row) that are not 1. %K A028276 nonn,tabf %O A028276 0,1 %A A028276 _Mohammad K. Azarian_ %E A028276 More terms from _James Sellers_