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A060927
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Row sums of triangle A060924 (odd part of bisection of Lucas triangle).
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4
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3, 13, 65, 337, 1737, 8945, 46073, 237313, 1222345, 6296017, 32429337, 167036065, 860364393, 4431539313, 22825840825, 117570661697, 605579465737, 3119200691985, 16066286106713, 82753748396513
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OFFSET
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0,1
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LINKS
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FORMULA
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G.f.: (3-2*x)/(1-5*x-4*x^3).
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MATHEMATICA
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CoefficientList[Series[(3-2*x)/(1-5*x-4*x^3), {x, 0, 30}], x] (* G. C. Greubel, Apr 07 2021 *)
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PROG
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(Magma)
R<x>:=PowerSeriesRing(Integers(), 30);
Coefficients(R!( (3-2*x)/(1-5*x-4*x^3) )); // G. C. Greubel, Apr 07 2021
(Sage)
P.<x> = PowerSeriesRing(ZZ, prec)
return P( (3-2*x)/(1-5*x-4*x^3) ).list()
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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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