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 A338722 #16 Nov 30 2020 22:24:45 %S A338722 1,3,6,8,12,15,19,21,27,30,34,38,42,46,53,55,59,65,69,73,80,84,88,92, %T A338722 98,102,110,113,117,125,129,131,139,143,151,156,160,164,172,176,180, %U A338722 188,192,196,207,211,215,219,225,231,239,243,247,255,262,266,274,278 %N A338722 Row sums in triangle A338721. %C A338722 Conjecture: Equals partial sums of A335616. %H A338722 Alois P. Heinz, <a href="/A338722/b338722.txt">Table of n, a(n) for n = 1..10000</a> %Y A338722 Cf. A335616, A338721, A338723. %K A338722 nonn %O A338722 1,2 %A A338722 _N. J. A. Sloane_, Nov 30 2020 %E A338722 More terms from _Alois P. Heinz_, Nov 30 2020