%I #8 Feb 24 2021 02:48:18

%S 4,7,9,10,15,22,21,14,15,23,28,35,52,64,49,22,15,23,28,35,52,65,56,43,

%T 53,74,91,122,168,176,113,38,15,23,28,35,52,65,56,43,53,74,91,122,168,

%U 177,120,59,53,74,91,122,169,186,155,139,180,239,304,412,512,464,257,70,15

%N Rows of A152980 when written as a triangle converge to this sequence.

%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. A139250, A139251, A152968, A152978, A152980, A153006.

%K nonn

%O 0,1

%A _Omar E. Pol_, Dec 16 2008, Dec 21 2008

%E Edited by _N. J. A. Sloane_, Jun 07 2009, Jul 18 2009