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 A159792 #9 Feb 24 2021 02:48:18 %S A159792 1,7,15,35,47,67,95,155,175,195,223,283,319,383,483,651,687,707,735, %T A159792 795,831,895,995,1163,1215,1279,1379,1551,1667,1871,2219,2667,2735, %U A159792 2755,2783,2843,2879,2943,3043,3211,3263,3327,3427,3599,3715,3919,4267,4715 %N A159792 Bisection of toothpick sequence A139250. %H A159792 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 A159792 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 A159792 Cf. A139250, A159791. %K A159792 nonn %O A159792 1,2 %A A159792 _Omar E. Pol_, Apr 28 2009 %E A159792 More terms from _R. J. Mathar_, May 26 2009