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A042407
Denominators of continued fraction convergents to sqrt(731).
2
1, 27, 1459, 39420, 2130139, 57553173, 3110001481, 84027593160, 4540600032121, 122680228460427, 6629272936895179, 179113049524630260, 9678733947266929219, 261504929625731719173, 14130944933736779764561, 381797018140518785362320
OFFSET
0,2
FORMULA
G.f.: -(x^2-27*x-1) / (x^4-1460*x^2+1). - Colin Barker, Dec 11 2013
MATHEMATICA
Denominator[Convergents[Sqrt[731], 30]] (* Vincenzo Librandi, Jan 21 2014 *)
CROSSREFS
Sequence in context: A075547 A167732 A017103 * A042404 A073224 A294964
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
a(15) from Colin Barker, Dec 11 2013
STATUS
approved