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A170845 G.f.: Prod_{k >= 1} (1 + 3x^(2^k-1) + x^(2^k)). 0
1, 3, 1, 3, 10, 6, 1, 3, 10, 6, 10, 33, 28, 9, 1, 3, 10, 6, 10, 33, 28, 9, 10, 33, 28, 36, 109, 117, 55, 12, 1, 3, 10, 6, 10, 33, 28, 9, 10, 33, 28, 36, 109, 117, 55, 12, 10, 33, 28, 36, 109, 117, 55, 39, 109, 117, 136, 363, 460, 282, 91, 15, 1, 3, 10, 6, 10, 33, 28, 9, 10, 33, 28, 36, 109 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..74.

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: A257253 A067329 A170860 * A025238 A289066 A126970

Adjacent sequences:  A170842 A170843 A170844 * A170846 A170847 A170848

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 02 2010

STATUS

approved

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Last modified October 16 00:50 EDT 2018. Contains 316252 sequences. (Running on oeis4.)