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A041634
Numerators of continued fraction convergents to sqrt(336).
2
18, 55, 1998, 6049, 219762, 665335, 24171822, 73180801, 2658680658, 8049222775, 292430700558, 885341324449, 32164718380722, 97379496466615, 3537826591178862, 10710859270003201, 389128760311294098, 1178097140203885495, 42800625807651171918
OFFSET
0,1
FORMULA
G.f.: -(x^3-18*x^2-55*x-18) / (x^4-110*x^2+1). - Colin Barker, Nov 09 2013
MATHEMATICA
Numerator[Convergents[Sqrt[336], 30]] (* Vincenzo Librandi, Nov 05 2013 *)
LinearRecurrence[{0, 110, 0, -1}, {18, 55, 1998, 6049}, 20] (* Harvey P. Dale, Apr 06 2022 *)
CROSSREFS
Cf. A041635.
Sequence in context: A033571 A041632 A086540 * A044975 A251252 A297946
KEYWORD
nonn,cofr,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 09 2013
STATUS
approved