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1, 3, 5, 7, 13, 11, 17, 15, 21, 23, 25, 27, 33, 27, 25, 15, 25, 35, 41, 55, 53, 59, 61, 59, 65, 63, 57, 47, 37, 47, 65, 71, 97, 95, 105, 95, 89, 83, 81, 87, 93, 79, 73, 79, 89, 107, 113, 119, 113, 115, 117, 135, 125, 127, 129, 135, 153, 135
(list;
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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Number of E-Toothpicks added to the E-Toothpick structure at the n-th round.
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LINKS
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Table of n, a(n) for n=1..58.
David Applegate, The movie version
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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Cf. A139251, A160121, A160173, A161328, A161331.
Sequence in context: A208772 A071810 A137576 * A111745 A098957 A143245
Adjacent sequences: A161326 A161327 A161328 * A161330 A161331 A161332
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KEYWORD
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nonn,changed
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AUTHOR
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Omar E. Pol, Jun 07 2009
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EXTENSIONS
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a(8) corrected and more terms added by R. J. Mathar, Jan 21 2010
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STATUS
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approved
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