%I #6 Feb 24 2021 02:48:19
%S 0,3,5,9,12,16,20,26,31,35,39,45,51,59,67,79,88,92,96,102,108,116,124,
%T 136,146,154,162,174,186,202,218,242,259,263,267,273,279,287,295,307,
%U 317,325,333,345,357,373,389,413,431,439,447,459,471,487,503,527,547
%N Number of lattice points covered at the n-th stage of the leftist toothpicks A151566
%H 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 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 Cf. A147614.
%K nonn
%O 0,2
%A _R. J. Mathar_, Feb 04 2010