%I
%S 0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,1,4,0,0,0,1,0,0,1,4,0,1,1,5,2,4,4,13,2,
%T 0,0,1,0,1,1,4,0,1,1,5,2,4,4,13,2,1,1,5,2,5,6,16,5,4,4,15,8,13,15,38,
%U 10,0,0,1,0,1
%N a(n) = (A160121(n)  A266533(n))/6.
%C a(n) is 1/6 of the difference between the number of Ytoothpicks added at nth stage in the structure of A160120 and the number of Ytoothpicks added at nth stage stage in the structure of A266532 (the outward version of A160120).
%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/Ce#cell">Index entries for sequences related to cellular automata</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 are the terms of A011782 the sequence begins:
%e 0;
%e 0;
%e 0, 0;
%e 0, 0,0,0;
%e 1, 0,0,0,1,0,1,1;
%e 4, 0,0,0,1,0,0,1,4,0,1,1,5,2,4,4;
%e 13, 2,0,0,1,0,1,1,4,0,1,1,5,2,4,4,13,2,1,1,5,2,5,6,16,5,4,4,15,8,13,15;
%e 38,10,0,0,1,0,1...
%Y Cf. A011782, A038573, A160120, A160121, A266532, A266533.
%K nonn,tabf,more
%O 1,17
%A _Omar E. Pol_, Jan 19 2016
