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A041965
Denominators of continued fraction convergents to sqrt(505).
2
1, 2, 17, 36, 1601, 3238, 27505, 58248, 2590417, 5239082, 44503073, 94245228, 4191293105, 8476831438, 72005944609, 152488720656, 6781509653473, 13715508027602, 116505573874289, 246726655776180, 10972478428026209, 22191683511828598, 188505946522654993
OFFSET
0,2
FORMULA
G.f.: -(x^2-2*x-1)*(x^4+18*x^2+1) / (x^8-1618*x^4+1). - Colin Barker, Nov 28 2013
MATHEMATICA
Denominator[Convergents[Sqrt[505], 30]] (* Vincenzo Librandi, Dec 28 2013 *)
CROSSREFS
Sequence in context: A342487 A342613 A041031 * A095075 A307161 A294560
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 28 2013
STATUS
approved