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A173067 a(n) = A130665(n-1) - A160715(n). 5


%S 0,0,0,0,0,0,0,6,6,6,6,12,6

%N a(n) = A130665(n-1) - A160715(n).

%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. A130665, A139250, A160120, A160715, A173066, A173068, A173451, A173452, A173453.

%K more,nonn

%O 1,8

%A _Omar E. Pol_, May 29 2010

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Last modified August 3 19:17 EDT 2021. Contains 346441 sequences. (Running on oeis4.)