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%I A139255 #8 Feb 24 2021 02:48:18
%S A139255 2,4,5,6,8,9,10,12,13,14,16,17,18,19,20,21,22,24,25,26,27,28,29,30,31,
%T A139255 32,33,34,36,37,38,39,40,41,42,44,45,46,48,49,50,51,52,53,54,56,57,58,
%U A139255 59,60,61,62,63,64,65,66,68,69,70,71,72
%N A139255 Complement of toothpick sequence A139250.
%H A139255 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 A139255 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 A139255 Cf. A139250, A139251, A139252, A139253, A139254.
%K A139255 nonn
%O A139255 1,1
%A A139255 _Omar E. Pol_, May 11 2008, Jan 02 2009

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