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%I #18 Dec 22 2013 00:03:41
%S 0,1,2,2,4,2,4,6,8,2,4,6,10,10,8,14,16,2,4,6,10,10,10,18,24,18,8,14,
%T 22,26,16,30,32,2,4,6,10,10,10,18,24,18,10,18,30,38,26,42,52,34,8,14,
%U 22,26,22,42,56,50,16,30,46,58,32,62,64,2,4,6,10,10
%N Number of toothpicks or D-toothpicks added at n-th stage to the structure of the D-toothpick "wide" triangle of A233780.
%C Essentially the first differences of A233780.
%C First differs from A170905 at a(24).
%C First differs from A233971 at a(25).
%C First differs from A233765 at a(44).
%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>
%e Written as an irregular triangle in which the row lengths is A011782 the sequence (starting from 1) begins:
%e 1;
%e 2;
%e 2,4;
%e 2,4,6,8;
%e 2,4,6,10,10,8,14,16;
%e 2,4,6,10,10,10,18,24,18,8,14,22,26,16,30,32;
%e 2,4,6,10,10,10,18,24,18,10,18,30,38,26,42,52,34,8,14,22,26,22,42,56,50,16,30,46,58,32,62,64;
%e Right border gives A000079.
%Y Cf. A000079, A011782, A139251, A170905, A220501, A220521, A231349, A233765, A233780, A233782, A233971.
%K nonn,tabf
%O 0,3
%A _Omar E. Pol_, Dec 15 2013
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