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A161214 a(n) = A161210(n)*3. 3
0, 3, 9, 21, 42, 63, 84 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..6.

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

Cf. A139250, A152980, A153006, A160160, A161210, A161212, A161215, A161216.

Sequence in context: A024173 A097119 A146608 * A213396 A011843 A080549

Adjacent sequences:  A161211 A161212 A161213 * A161215 A161216 A161217

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, Jun 06 2009

STATUS

approved

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Last modified October 23 16:15 EDT 2018. Contains 316529 sequences. (Running on oeis4.)