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A162796
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Number of toothpicks in the toothpick structure A139250, that are orthogonal to the initial toothpick, after n even rounds.
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9
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0, 2, 6, 14, 22, 30, 42, 70, 86, 94, 106, 134, 154, 182, 222, 310, 342, 350, 362, 390, 410, 438, 478, 566, 602, 630, 670, 758, 814, 906, 1046, 1302, 1366, 1374, 1386, 1414, 1434, 1462, 1502, 1590, 1626, 1654, 1694, 1782, 1838, 1930, 2070, 2326, 2394, 2422, 2462
(list;
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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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Also, partial sums of A162794.
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LINKS
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Table of n, a(n) for n=0..50.
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
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MAPLE
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a139251 := BFILETOLIST("b139251.txt") ; A162794 := proc(n) global a139251; op(2*n, a139251) ; end: A162796 := proc(n) add( A162794(k), k=1..n) ; end: seq(A162796(n), n=1..120) ; [From R. J. Mathar, Sep 27 2009]
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CROSSREFS
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Cf. A139250, A139251, A159791, A159792, A162793, A162794, A162795, A162797.
Sequence in context: A173724 A101572 A080766 * A172304 A160164 A074729
Adjacent sequences: A162793 A162794 A162795 * A162797 A162798 A162799
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KEYWORD
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nonn
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AUTHOR
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Omar E. Pol, Jul 14 2009
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EXTENSIONS
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Extended by R. J. Mathar, Sep 27 2009
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STATUS
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approved
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