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A041482
Numerators of continued fraction convergents to sqrt(258).
2
16, 257, 8240, 132097, 4235344, 67897601, 2176958576, 34899234817, 1118952472720, 17938138798337, 575139394019504, 9220168443110401, 295620529573552336, 4739148641619947777, 151948377061411881200, 2435913181624210046977, 78101170189036133384464
OFFSET
0,1
FORMULA
G.f.: -(x^3-16*x^2-257*x-16) / (x^4-514*x^2+1). - Colin Barker, Nov 07 2013
MATHEMATICA
Numerator[Convergents[Sqrt[258], 30]] (* Vincenzo Librandi, Nov 03 2013 *)
LinearRecurrence[{0, 514, 0, -1}, {16, 257, 8240, 132097}, 20] (* Harvey P. Dale, Aug 12 2018 *)
CROSSREFS
Cf. A041483.
Sequence in context: A067223 A041113 A363689 * A320362 A220742 A266023
KEYWORD
nonn,cofr,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 07 2013
STATUS
approved