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First differences of A250300.
1

%I #19 Jan 19 2015 20:34:34

%S 0,3,3,6,12,12,6,12,18,18,18,18,36,36,12,24,30,18,18,24,42,54,42,36,

%T 60,66,54,48,90,90,30,54,54,18,18,24,42,54,42,42,66,78,78,78,114,150,

%U 102,72,108

%N First differences of A250300.

%C Number of cells turned "ON" at n-th stage of cellular automaton of A250300.

%C Compare A161645.

%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>

%e Positive terms can be written as a triangle in which row lengths is A011782 as shown below:

%e 3;

%e 3;

%e 6, 12;

%e 12, 6, 12, 18;

%e 18, 18, 18, 36, 36, 12, 24, 30;

%e 18, 18, 24, 42, 54, 42, 36, 60, 66, 54, 48, 90, 90, 30, 54, 54;

%e 18, 18, 24, 42, 54, 42, 42, 66, 78, 78, 78, 114, 150, 102, 72, 108, ...

%Y Cf. A139251, A147582, A151724, A160121, A161645, A182633, A250300, A253771.

%K nonn,tabf,more

%O 0,2

%A _Omar E. Pol_, Jan 17 2015