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 A267701 a(n) = (A160121(n) - A266533(n))/6. 2
 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,17 COMMENTS a(n) is 1/6 of the difference between the number of Y-toothpicks added at n-th stage in the structure of A160120 and the number of Y-toothpicks added at n-th 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 A362802 A245817 Adjacent sequences: A267698 A267699 A267700 * A267702 A267703 A267704 KEYWORD nonn,tabf,more AUTHOR Omar E. Pol, Jan 19 2016 STATUS approved

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Last modified August 14 03:09 EDT 2024. Contains 375146 sequences. (Running on oeis4.)