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Number of toothpicks or D-toothpicks added at n-th stage to the structure of A220512.
2

%I #26 May 29 2013 04:56:56

%S 0,4,8,16,16,16,28,48,32,16,32,64,64,80,84,112,64,16,32,64,96,112,144,

%T 176,136,112,96,176,176,208,196,240,128,16,32,64,96,112,152

%N Number of toothpicks or D-toothpicks added at n-th stage to the structure of A220512.

%C The first differences of A220512.

%C First differs from A194433 at a(14).

%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/To#toothpick">Index entries for sequences related to toothpick sequences</a>

%e When written as a irregular triangle begins:

%e 0;

%e 4;

%e 8;

%e 16,16;

%e 16,28,48,32;

%e 16,32,64,64,80,84,112,64;

%e 16,32,64,96,112,144,176,136,112,96,176,176,208,196,240,128;

%e 16,32,64,96,112,152...

%Y Row lengths give 1 together with A011782. Right border gives 0 together with four times A000079.

%Y Cf. A139251, A194271, A194701, A194443, A220501, A220512, A220521, A220523, A220525, A220527, A221528.

%K nonn,tabf,more

%O 0,2

%A _Omar E. Pol_, May 13 2013