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%I #10 Jan 30 2016 18:50:22
%S 0,1,4,8,16,22,20,24,36,40,32,44,56,94,60,56,76,72,32,48,72,112,132,
%T 140,136,168,112,132,140,238,148,120,156,136,32,48,72,112,132
%N Number of toothpicks or D-toothpicks added at n-th stage in the toothpick structure of A212008.
%C Essentially the first differences of A212008.
%H David Applegate, <a href="/A139250/a139250.anim.html">The movie version</a>
%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>
%H <a href="/index/To#toothpick">Index entries for sequences related to toothpick sequences</a>
%F It appears that a(2^k + 2) = 32, if k >= 3.
%e When written as an irregular triangle:
%e 0;
%e 1;
%e 4;
%e 8;
%e 16,22;
%e 20,24,36,40;
%e 32,44,56,94,60,56,76,72;
%e 32,48,72,112,132,140,136,168,112,132,140,238,148,120,156,136;
%e 32,48,72,112,132,...
%Y Cf. A139250, A139251, A194271, A194433, A194435, A194441, A194443, A194445, A220501.
%K nonn,tabf,more
%O 0,3
%A _Omar E. Pol_, Dec 15 2012
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