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 A028282 #8 Jul 02 2025 16:01:55 %S A028282 4,6,10,16,8,32,40,86,110,50,126,196,12,176,322,392,498,714,14,310, %T A028282 1212,1428,100,396,2640,496,2992,5280,18,148,742,2548,6370,12012, %U A028282 17446,19734,166,890,3290,8918,18382,29458,37180,20,1056,4180,12208,27300 %N A028282 Distinct even elements in 4-Pascal triangle A028275 (by row). %K A028282 nonn,tabf %O A028282 0,1 %A A028282 _Mohammad K. Azarian_ %E A028282 More terms from _James Sellers_