%N Records in A152968.
%C Excluding the initial 1, this sequence also gives the records in A151688. - _Nathaniel Johnston_, Apr 10 2011
%H David Applegate, Omar E. Pol and N. J. A. Sloane, <a href="http://neilsloane.com/doc/tooth.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 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 Toothpick structure: A139250.
%Y Cf. A139251, A139252, A152968.
%Y Cf. A152978.
%A _Omar E. Pol_, Dec 16 2008
%E More terms from _Omar E. Pol_, Dec 20 2008
%E a(17)-a(49) from _Nathaniel Johnston_, Apr 10 2011