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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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10
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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
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OFFSET
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0,2
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COMMENTS
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LINKS
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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) ; # R. J. Mathar, Sep 27 2009
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MATHEMATICA
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terms = 100;
Cases[Import["https://oeis.org/A139251/b139251.txt", "Table"], {_, _}][[;; 2terms;; 2, 2]] // Accumulate (* Jean-François Alcover, Mar 24 2020 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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