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A159785 a(n) = A152980(n)*3. 1
3, 6, 9, 9, 12, 21, 24, 15, 12 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata

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

CROSSREFS

Toothpick sequence: A139250.

Cf. A139251, A147646, A152968, A152978, A152980, A153004, A153006.

Sequence in context: A011383 A007844 A224523 * A057338 A077856 A239977

Adjacent sequences:  A159782 A159783 A159784 * A159786 A159787 A159788

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, May 02 2009

STATUS

approved

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Last modified November 20 15:12 EST 2018. Contains 317402 sequences. (Running on oeis4.)