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 A194701 #12 Jan 30 2016 18:48:54 %S A194701 0,1,4,8,16,22,24,22,40,40,32,32,56,74,96,66 %N A194701 Number of toothpicks or D-toothpicks added at n-th stage to the structure of A194700. %C A194701 Essentially the first differences of A194700. First differs from A194271 at a(15). Conjecture: this sequence and A194271 have infinitely many numbers in common. %H A194701 David Applegate, <a href="/A139250/a139250.anim.html">The movie version</a> %H A194701 N. J. A. Sloane, <a href="/wiki/Catalog_of_Toothpick_and_CA_Sequences_in_OEIS">Catalog of Toothpick and Cellular Automata Sequences in the OEIS</a> %H A194701 <a href="/index/To#toothpick">Index entries for sequences related to toothpick sequences</a> %Y A194701 Cf. A139251, A194271, A194700. %K A194701 nonn %O A194701 0,3 %A A194701 _Omar E. Pol_, Sep 02 2011