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 A152979 #13 Feb 24 2021 02:48:18 %S A152979 1,2,3,4,7,8,9,10,15,22,23,28,35,52,64,65,74,91,122,168,176,177,186, %T A152979 239,304,412,512,513,524,527,599,782,1020,1336,1488,1489,1500,1575, %U A152979 1980,2584,3376,4160,4161,4172,4174,4247,4275,4653,5010,6544,8544 %N A152979 Records in A152978. %C A152979 This sequence also gives the records in A152980. - _Nathaniel Johnston_, Apr 10 2011 %H A152979 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 A152979 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 A152979 Cf. A039251, A152768, A152968, A152973, A152978, A152998, A153000, A153006. Toothpick sequence: A139250. %K A152979 nonn %O A152979 1,2 %A A152979 _Omar E. Pol_, Dec 23 2008 %E A152979 a(16)-a(51) from _Nathaniel Johnston_, Apr 10 2011