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A041821
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Denominators of continued fraction convergents to sqrt(431).
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2
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1, 1, 4, 21, 25, 71, 522, 593, 11789, 12382, 98463, 209308, 307771, 1748163, 5552260, 7300423, 297569180, 304869603, 1212177989, 6365759548, 7577937537, 21521634622, 158229379891, 179751014513, 3573498655638, 3753249670151, 29846246346695, 63445742363541
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OFFSET
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0,3
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LINKS
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Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,303121440,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1).
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FORMULA
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MATHEMATICA
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Denominator[Convergents[Sqrt[431], 50]] (* Harvey P. Dale, Jun 04 2012 *)
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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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