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 A160715 #8 Feb 24 2021 02:48:18 %S A160715 0,1,4,7,16,19,28,37,58,61,70,79,100,115,136,163,214,217,226,235,256, %T A160715 271,292,319,370,391,412,439,490,541,598,667,784,787 %N A160715 Y-toothpick sequence (as A160120) but without internal propagation in the structure. %C A160715 Note that A160120(9)=67 but in this sequence a(9)=61. %C A160715 See the entry A160120 for more information about the Y-toothpick sequences. %H A160715 David Applegate, Omar E. Pol and N. J. A. Sloane, <a href="/A000695/a000695_1.pdf">The Toothpick Sequence and Other Sequences from Cellular Automata</a>, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.] %H A160715 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> %Y A160715 Cf. A000079, A000225, A006516, A139250, A160120, A151710. %K A160715 more,nonn %O A160715 0,3 %A A160715 _Omar E. Pol_, Jun 02 2009 %E A160715 More terms from _Omar E. Pol_, May 29 2010