A256257 6 times numbers of Gould's sequence A001316.

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

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(n-1), 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