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 A288573 #25 Jun 29 2017 00:16:04 %S A288573 0,0,0,0,1,2,4,4,6,7,9,10,11,15,17,16,19,19,23,25,26,26,28,33,32,35, %T A288573 43,39,40,43,43 %N A288573 Erroneous version of A288574. %D A288573 V. Seleacu and I. Balacenoiu, 'Smarandache Notations (Book Series)', vol 10, American Research Press, 1999, p. 190. %H A288573 K. Kashihara, <a href="http://www.gallup.unm.edu/~smarandache/Kashihara.pdf">Comments and Topics on Smarandache Notions and Problems</a>, Erhus University Press, 1996, 50 pages. See page 20. %H A288573 K. Kashihara, <a href="/A011772/a011772.pdf">Comments and Topics on Smarandache Notions and Problems</a>, Erhus University Press, 1996, 50 pages. [Cached copy] See page 20. %K A288573 dead %O A288573 0,6