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0, 2, 6, 8, 14, 22, 30, 22, 38, 54, 70, 22, 38, 54, 70, 54, 102, 150, 134, 22, 38, 54, 70, 54, 102, 150, 134, 54, 102, 150, 166, 182, 326, 406, 262, 22, 38, 54, 70, 54, 102, 150, 134, 54, 102, 150, 166, 182, 326, 406, 262, 54, 102, 150, 166, 182, 326, 406, 294, 182, 326
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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Essentially the first differences of A187216.
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LINKS
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Nathaniel Johnston, Table of n, a(n) for n = 0..200
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.]
Nathaniel Johnston, The Q-Toothpick Cellular Automaton
N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS
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CROSSREFS
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Cf. A139250, A139251, A187216, A187211, A187213, A187221.
Sequence in context: A137831 A117588 A174229 * A022112 A107019 A269831
Adjacent sequences: A187214 A187215 A187216 * A187218 A187219 A187220
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KEYWORD
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nonn
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AUTHOR
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Omar E. Pol, Mar 30 2011
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EXTENSIONS
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a(15) - a(60) from Nathaniel Johnston, Apr 15 2011
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STATUS
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approved
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