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A042234 Numerators of continued fraction convergents to sqrt(643). 2
25, 51, 76, 279, 355, 5959, 48027, 102013, 150040, 252053, 1410305, 35509678, 178958695, 214468373, 393427068, 1001322509, 8404007140, 135465436749, 143869443889, 567073768416, 710943212305, 1988960193026 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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, 0, 0, 3977920386052, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

MATHEMATICA

Numerator[Convergents[Sqrt[643], 30]] (* Vincenzo Librandi, Nov 19 2013 *)

CROSSREFS

Cf. A042235.

Sequence in context: A253017 A042236 A042238 * A042232 A273868 A270693

Adjacent sequences:  A042231 A042232 A042233 * A042235 A042236 A042237

KEYWORD

nonn,cofr,frac,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified February 17 21:12 EST 2018. Contains 299297 sequences. (Running on oeis4.)