

A267699


First differences of A267698.


3



0, 2, 4, 7, 12, 7, 12, 15, 20, 7, 12, 15, 20, 15, 28, 39, 36, 7, 12, 15, 20, 15, 28, 39, 36, 15
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OFFSET

0,2


COMMENTS

Number of Qtoothpicks added at nth stage in the Qtoothpick structure of A267698.


LINKS

Table of n, a(n) for n=0..25.
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

When the positive terms are written as an irregular triangle in which the row lengths are the terms of A011782 the sequence begins:
2;
4;
7, 12;
7, 12, 15, 20;
7, 12, 15, 20, 15, 28, 39, 36;
7, 12, 15, 20, 15, 28, 39, 36, 15,...


CROSSREFS

Cf. A011782, A187210, A187211, A267695, A267698.
Sequence in context: A259588 A058103 A097592 * A193841 A052474 A033054
Adjacent sequences: A267696 A267697 A267698 * A267700 A267701 A267702


KEYWORD

nonn,tabf,more


AUTHOR

Omar E. Pol, Apr 02 2016


STATUS

approved



