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A016149
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Expansion of 1/((1-4*x)*(1-6*x)).
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5
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1, 10, 76, 520, 3376, 21280, 131776, 807040, 4907776, 29708800, 179301376, 1080002560, 6496792576, 39047864320, 234555621376, 1408407470080, 8454739787776, 50745618595840, 304542431051776
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OFFSET
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0,2
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LINKS
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FORMULA
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MAPLE
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seq(add(2^(2*n-k)*binomial(n, k)/2, k=1..n), n=1..19); # Zerinvary Lajos, Apr 18 2009
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MATHEMATICA
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LinearRecurrence[{10, -24}, {1, 10}, 30] (* or *) CoefficientList[ Series[ 1/(1-10 x+24 x^2), {x, 0, 30}], x] (* Harvey P. Dale, Apr 24 2011 *)
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PROG
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(Sage) [lucas_number1(n, 10, 24) for n in range(1, 20)]# Zerinvary Lajos, Apr 26 2009]
(Magma) m:=30; R<x>:=PowerSeriesRing(Integers(), m); Coefficients(R!(1/((1-4*x)*(1-6*x)))); // Vincenzo Librandi, Jun 24 2013
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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