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 A028285 #8 Jul 02 2025 16:01:55 %S A028285 5,6,16,7,23,8,55,31,9,86,40,10,196,126,50,11,322,176,61,12,714,498, %T A028285 237,73,13,1212,735,310,86,14,2640,1947,1045,396,100,15,4587,2992, %U A028285 1441,496,115,16,9867,7579,4433,1937,611,131,17,17446,12012,6370,2548,742 %N A028285 Elements to right of central elements in 4-Pascal triangle A028275 that are not 1. %K A028285 nonn,tabf %O A028285 0,1 %A A028285 _Mohammad K. Azarian_ %E A028285 More terms from _James Sellers_