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 A014622 #16 Sep 19 2023 17:36:44 %S A014622 1,1,4,29,309,4383,78121,1684706,42801222,1255919755,41918624013, %T A014622 1572257236114,65619165625383,3022617826829288,152615633802149416, %U A014622 8397224009015443509,500957609480739613321,32261529179806961067634,2234133327582388824135291,165800616088783604834296832 %N A014622 Row sums of A014621. %C A014622 Arises from an analysis of Levine's sequence A011784. %H A014622 Max Alekseyev, <a href="/A014622/b014622.txt">Table of n, a(n) for n = 1..50</a> %Y A014622 Cf. A011784, A014621. %K A014622 nonn %O A014622 1,3 %A A014622 _Colin Mallows_ %E A014622 More precise definition from _R. J. Mathar_, Sep 07 2008 %E A014622 Offset corrected and more terms added by _Max Alekseyev_, Sep 19 2023