

A256257


6 times numbers of Gould's sequence A001316.


2



6, 12, 12, 24, 12, 24, 24, 48, 12, 24, 24, 48, 24, 48, 48, 96, 12, 24, 24, 48, 24, 48, 48, 96, 24, 48, 48, 96, 48, 96, 96, 192, 12, 24, 24, 48, 24, 48, 48, 96, 24, 48, 48, 96, 48, 96, 96, 192, 24, 48, 48, 96, 48, 96, 96, 192, 48, 96, 96, 192, 96, 192, 192, 384, 12, 24, 24, 48, 24, 48, 48, 96, 24, 48, 48, 96, 48, 96, 96, 192
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OFFSET

0,1


COMMENTS

Also, number of triangular cells turned ON at (n+1)st stage in the structure of A256256.
First differences of A256256.


LINKS

Table of n, a(n) for n=0..79.
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS
Index entries for sequences related to cellular automata


FORMULA

a(n) = 6*A001316(n) = 3*A117973(n) = 2*A160713(n).
a(n) = 12*A048896(n1), n >= 1.


EXAMPLE

Written as an irregular triangle in which the row lengths are the terms of A011782, the sequence begins:
6;
12;
12, 24;
12, 24, 24, 48;
12, 24, 24, 48, 24, 48, 48, 96;
12, 24, 24, 48, 24, 48, 48, 96, 24, 48, 48, 96, 48, 96, 96, 192;
...


CROSSREFS

Cf. A001316, A011782, A047999, A048896, A117973, A151787, A160713, A160721, A256256.
Sequence in context: A061928 A315584 A315585 * A315586 A315587 A315588
Adjacent sequences: A256254 A256255 A256256 * A256258 A256259 A256260


KEYWORD

nonn,tabf


AUTHOR

Omar E. Pol, Mar 20 2015


STATUS

approved



