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A042235
Denominators of continued fraction convergents to sqrt(643).
2
1, 2, 3, 11, 14, 235, 1894, 4023, 5917, 9940, 55617, 1400365, 7057442, 8457807, 15515249, 39488305, 331421689, 5342235329, 5673657018, 22363206383, 28036863401, 78436933185, 3949883522651, 7978203978487, 11928087501138, 43762466481901
OFFSET
0,2
LINKS
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
Denominator[Convergents[Sqrt[643], 30]] (* Harvey P. Dale, Aug 05 2011 *)
CROSSREFS
Cf. A042234.
Sequence in context: A041235 A036972 A041637 * A050587 A293026 A178430
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Jan 17 2014
STATUS
approved