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A161211 First differences of A161210. 1
1, 2, 4, 7, 7, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Number of toothpicks added at the n-th round.

LINKS

Table of n, a(n) for n=1..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. A139251, A152980, A160161, A161210, A161213, A161215, A161217.

Sequence in context: A198137 A126786 A154614 * A276807 A161368 A023978

Adjacent sequences:  A161208 A161209 A161210 * A161212 A161213 A161214

KEYWORD

more,nonn

AUTHOR

Omar E. Pol, Jun 06 2009

STATUS

approved

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Last modified February 20 15:02 EST 2018. Contains 299380 sequences. (Running on oeis4.)