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 A195853 #43 Feb 24 2021 02:48:19 %S A195853 4,5,1,3,0,5,8,2,8,4,5,3,1,2,2,1,3,5,8,9,6,4,0,1,3,4,2,2,8,0,4,0,0,1, %T A195853 2,3,5,1,0,2,0,4,1,3,8,3,2,9 %N A195853 Decimal expansion of the lower limit of A139250(i)/i^2. %C A195853 Constant mentioned in the Applegate-Pol-Sloane article, Section 5, the fractal-like structure. It is also mentioned in A139250 and A170927. %C A195853 Note that at least there are 162 constants starting with 0.451305 in the Plouffe's Inverter. %C A195853 Also evidently half the lower limit of A147562(n)/n^2; see A260239. - _Steven Finch_, Jul 21 2015 %D A195853 D. Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, Congressus Numerantium, Vol. 206 (2010), 157-191 %H A195853 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.], which is also available at <a href="http://arxiv.org/abs/1004.3036">arXiv:1004.3036v2</a>, [math.CO], 2010. %H A195853 Steven R. Finch, <a href="/A139250/a139250_1.pdf">Toothpicks and Live Cells</a>, July 21, 2015. [Cached copy, with permission of the author] %H A195853 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> %e A195853 0.451305... %Y A195853 Cf. A139250, A170927, A147562, A260239. %K A195853 nonn,cons,hard,more %O A195853 0,1 %A A195853 _Omar E. Pol_, Sep 27 2011 %E A195853 a(6)-a(14) from _Robert Price_, Aug 18 2012 %E A195853 a(15)-a(47) from _Robert Price_, Aug 16 2015 %E A195853 Removed first fifteen terms as they were duplicated in the last edit by _Robert Price_, Dec 17 2018