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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Number of Q-toothpicks added at n-th stage in the Q-toothpick 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

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Last modified December 12 01:08 EST 2017. Contains 295936 sequences.