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A170895 First differences of A170894. 1

%I

%S 0,1,1,2,3,3,3,6,8,6,4

%N First differences of A170894.

%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>

%K nonn,more

%O 0,4

%A _Omar E. Pol_, Jan 09 2010

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Last modified June 13 12:37 EDT 2021. Contains 344996 sequences. (Running on oeis4.)