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A042522
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Numerators of continued fraction convergents to sqrt(790).
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2
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28, 253, 534, 787, 4469, 5256, 9725, 34431, 147449, 181880, 874969, 1056849, 5102365, 16363944, 21466309, 37830253, 210617574, 248447827, 707513228, 6616066879, 371207258452, 3347481392947, 7066170044346
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OFFSET
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0,1
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13232133758, 0, 0, 0, 0, 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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a(n) = 13232133758*a(n-20) - a(n-40) for n>39. [Bruno Berselli, Nov 26 2013]
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MATHEMATICA
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Numerator[Convergents[Sqrt[790], 30]] (* Vincenzo Librandi, Nov 25 2013 *)
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CROSSREFS
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Cf. A042523.
Sequence in context: A188526 A219600 A092341 * A025517 A222267 A240003
Adjacent sequences: A042519 A042520 A042521 * A042523 A042524 A042525
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KEYWORD
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nonn,cofr,frac,easy
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AUTHOR
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N. J. A. Sloane.
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STATUS
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approved
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