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A170843 G.f.: Prod_{k >= 2} (1 + 2x^(2^k-1) + 3x^(2^k)). 0
1, 0, 0, 2, 3, 0, 0, 2, 3, 0, 4, 12, 9, 0, 0, 2, 3, 0, 4, 12, 9, 0, 4, 12, 9, 8, 36, 54, 27, 0, 0, 2, 3, 0, 4, 12, 9, 0, 4, 12, 9, 8, 36, 54, 27, 0, 4, 12, 9, 8, 36, 54, 27, 8, 36, 54, 43, 96, 216, 216, 81, 0, 0, 2, 3, 0, 4, 12, 9, 0, 4, 12, 9, 8, 36, 54, 27, 0, 4, 12, 9, 8, 36, 54, 27, 8, 36, 54, 43 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..88.

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

Sequence in context: A175099 A151867 A262563 * A292596 A011023 A284610

Adjacent sequences:  A170840 A170841 A170842 * A170844 A170845 A170846

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 02 2010

STATUS

approved

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Last modified October 23 05:50 EDT 2018. Contains 316519 sequences. (Running on oeis4.)