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 A112846 #5 Nov 23 2013 19:42:03 %S A112846 1,2,4,10,30,103,384,1508,6126,25513,108278,466523,2034981,8968746, %T A112846 39875940,138760603,178636543,3026583484,16028356176,75647274620, %U A112846 350111055991,1618175863400,7495933933620,34821723061950 %N A112846 Number of riffs on n or fewer nodes. Number of rotes on 2n+1 or fewer nodes. %C A112846 Partial sums of A061396. %H A112846 J. Awbrey, <a href="https://oeis.org/wiki/Riffs_and_Rotes">Riffs and Rotes</a> %Y A112846 Cf. A000079, A001221, A007097, A014221, A050924. %Y A112846 Cf. A061396, A062504, A062537, A062860, A106177. %Y A112846 Cf. A109300, A109301, A111791 to A111800. %Y A112846 Cf. A112095, A112096, A112480, A112481. %K A112846 nonn %O A112846 0,2 %A A112846 _Jon Awbrey_, Oct 04 2005, based on calculations by Vladeta Jovovic and David W. Wilson