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A041963
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Denominators of continued fraction convergents to sqrt(504).
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2
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1, 2, 9, 20, 889, 1798, 8081, 17960, 798321, 1614602, 7256729, 16128060, 716891369, 1449910798, 6516534561, 14482979920, 643767651041, 1302018282002, 5851840779049, 13005699840100, 578102633743449, 1169210967326998, 5254946503051441, 11679103973429880
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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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G.f.: -(x^2-2*x-1)*(x^4+10*x^2+1) / ((x^4-30*x^2+1)*(x^4+30*x^2+1)). - Colin Barker, Nov 28 2013
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MATHEMATICA
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LinearRecurrence[{0, 0, 0, 898, 0, 0, 0, -1}, {1, 2, 9, 20, 889, 1798, 8081, 17960}, 40] (* Harvey P. Dale, Apr 14 2021 *)
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CROSSREFS
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KEYWORD
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nonn,frac,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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