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A267695 First differences of A267694. 3

%I

%S 0,2,3,4,7,4,7,12,15,4,7,12,15,12,23,36,31,4,7,12,15,12,23,36,31,12

%N First differences of A267694.

%C Number of Q-toothpicks added at n-th stage to the Q-toothpick structure of A267694.

%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 When the positive terms are written as an irregular triangle in which the row lengths are the terms of A011782 the sequence begins:

%e 2;

%e 3;

%e 4, 7;

%e 4, 7, 12, 15;

%e 4, 7, 12, 15, 12, 23, 36, 31;

%e 4, 7, 12, 15, 12, 23, 36, 31, 12,...

%Y Cf. A011782, A187210, A187211, A267694, A267699.

%K nonn,tabf,more

%O 0,2

%A _Omar E. Pol_, Apr 02 2016

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Last modified January 17 17:21 EST 2019. Contains 319250 sequences. (Running on oeis4.)