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0, 0, 3, 6, 6, 9, 24, 36, 36, 39, 48
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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Table of n, a(n) for n=0..10.
David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata, Congressus Numerantium, Vol. 206 (2010), 157-191. [There is a typo in Theorem 6: (13) should read u(n) = 4.3^(wt(n-1)-1) for n >= 2.]
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS
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CROSSREFS
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Toothpick sequence: A139250.
Cf. A139251, A153003, A159786, A159788, A159789, A159797.
Sequence in context: A135702 A108850 A111652 * A184161 A276000 A316563
Adjacent sequences: A159784 A159785 A159786 * A159788 A159789 A159790
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KEYWORD
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more,nonn
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AUTHOR
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Omar E. Pol, Apr 28 2009, May 02 2009
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STATUS
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approved
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