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A267699 First differences of A267698. 3

%I #5 Apr 02 2016 21:26:41

%S 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,

%T 15

%N First differences of A267698.

%C Number of Q-toothpicks added at n-th stage in the Q-toothpick structure of A267698.

%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 4;

%e 7, 12;

%e 7, 12, 15, 20;

%e 7, 12, 15, 20, 15, 28, 39, 36;

%e 7, 12, 15, 20, 15, 28, 39, 36, 15,...

%Y Cf. A011782, A187210, A187211, A267695, A267698.

%K nonn,tabf,more

%O 0,2

%A _Omar E. Pol_, Apr 02 2016

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)