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%I A160127 #10 Feb 24 2021 02:48:18
%S A160127 0,0,1,1,0,2,5,3,0,2,4,2,2,10,15,7,0,2,4,2,2,10,14,6,2,8,10,6,14,36,
%T A160127 39,15,0,2,4,2,2,10,14,6,2,8,10,6,14,36,38,14,2,8,10,6,14,34,34,14
%N A160127 First differences of A160126.
%H A160127 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 A160127 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 A160127 Toothpick sequence: A139250.
%Y A160127 Cf. A159786, A159787, A159788, A159789, A160124, A160125, A160126.
%K A160127 nonn
%O A160127 1,6
%A A160127 _Omar E. Pol_, May 03 2009
%E A160127 More terms from _Colin Barker_, Apr 19 2015

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