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0, 0, 0, 1, 3, 3, 0, 2, 10, 15, 17, 21, 22, 12, 0, 5, 23, 39, 52, 66, 78, 79, 77, 89, 106, 112, 112, 109, 87, 39, 0, 10, 50, 87, 121, 157, 190, 212, 232, 265, 303, 331, 352, 370, 370, 343, 325, 353, 402, 440, 472, 501, 511, 495, 484, 502, 518, 503, 469, 409, 282
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,5
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LINKS
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Table of n, a(n) for n=0..60.
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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FORMULA
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a(n) = A000969(n) - A139250(n+1).
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CROSSREFS
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Cf. A000969, A139250, 153006, A153007, A159790, A160166.
Sequence in context: A118522 A179119 A098316 * A084055 A084103 A036477
Adjacent sequences: A160162 A160163 A160164 * A160166 A160167 A160168
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KEYWORD
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nonn
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AUTHOR
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Omar E. Pol, May 23 2009
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EXTENSIONS
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More terms from Jinyuan Wang, Mar 14 2020
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STATUS
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approved
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