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 A053210 #13 Jul 02 2025 16:01:59 %S A053210 2,6,16,36,80,164,336,676,1360,2732,5468,10948,21904,43812,87632, %T A053210 175276,350564,701132,1402276,2804560,5609124,11218260,22436528, %U A053210 44873068,89746152,179492312,358984628,717969264,1435938532,2871877072 %N A053210 Row sums of A051599. %H A053210 Reinhard Zumkeller, <a href="/A053210/b053210.txt">Table of n, a(n) for n = 0..1000</a> %e A053210 a(3) = 7 + 11 + 11 + 7 = 36. %o A053210 (Haskell) %o A053210 a053210 = sum . a051599_row -- _Reinhard Zumkeller_, Nov 23 2012 %Y A053210 Cf. A051599. %K A053210 nonn,easy %O A053210 0,1 %A A053210 _Asher Auel_, Dec 14 1999 %E A053210 Corrected and extended by _James Sellers_, Dec 15 1999