



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, 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, 10, 0, 0, 1, 0, 1
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OFFSET

1,17


COMMENTS

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).


LINKS

Table of n, a(n) for n=1..71.
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS
Index entries for sequences related to cellular automata
Index entries for sequences related to toothpick sequences


EXAMPLE

Written as an irregular triangle in which the row lengths are the terms of A011782 the sequence begins:
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, 2,0,0,1,0,1,1,4,0,1,1,5,2,4,4,13,2,1,1,5,2,5,6,16,5,4,4,15,8,13,15;
38,10,0,0,1,0,1...


CROSSREFS

Cf. A011782, A038573, A160120, A160121, A266532, A266533.
Sequence in context: A333037 A070206 A228368 * A128975 A245817 A277115
Adjacent sequences: A267698 A267699 A267700 * A267702 A267703 A267704


KEYWORD

nonn,tabf,more


AUTHOR

Omar E. Pol, Jan 19 2016


STATUS

approved



