A194696 a(n) = 2*A194693(n).

4, 4, 8, 12, 16, 16, 24, 26, 24, 20, 32, 40, 64, 40, 48, 54, 40, 20, 32, 48, 72, 82, 96, 96, 108, 68, 88, 100, 160, 96, 96, 110, 72, 20, 32, 48, 72, 82, 96, 108, 136, 124, 160, 160, 248, 190, 208, 178, 188, 88, 96, 136

Offset

1,1

Comments

Conjecture: number of toothpicks or D-toothpicks added to the structure of A194440 at stage 2^k+n, if k tends to infinity. It appears that rows of A194441 when written as a triangle converge to this sequence.

Links

Table of n, a(n) for n=1..52.

N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS

Index entries for sequences related to toothpick sequences

Example

Written as a triangle:
4,
4,
8,
12,16,
16,24,26,24,
20,32,40,64,40,48,54,40,
20,32,48,72,82,96,96,108,68,88,100,160,96,96,110,72,
20,32,48,72,82,96,108,136,124,160,160,248,190,208,178,...

Crossrefs

Cf. A152980, A194270, A194440, A194692, A194693, A194697.

Sequence in context: A086663 A003829 A194697 * A302681 A002368 A299474

Adjacent sequences: A194693 A194694 A194695 * A194697 A194698 A194699

Keyword

nonn,more

Author

Omar E. Pol, Sep 03 2011

Status

approved