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 A253170 #7 Apr 09 2020 15:24:56 %S A253170 1,1,2,3,5,7,10,13,17,22,28,35,42,50,60,72,85,101,119,139,162,187,215, %T A253170 246,279,315,353,394,437,482,529,579,632,688,748,810,875,944,1016, %U A253170 1094,1177,1263,1351,1443,1538,1637,1742,1852,1966,2083,2205,2330,2460 %N A253170 Row sums of table A333867. %H A253170 Reinhard Zumkeller, <a href="/A253170/b253170.txt">Table of n, a(n) for n = 1..500</a> %o A253170 (Haskell) %o A253170 a253170 = sum . a333867_row %Y A253170 Cf. A333867, A126027, A030719 (first differences). %K A253170 nonn %O A253170 1,3 %A A253170 _Reinhard Zumkeller_, Dec 28 2014