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URL: https://oeis.org/A041451

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A041451
Denominators of continued fraction convergents to sqrt(241).
2
1, 1, 2, 19, 21, 124, 393, 1303, 1696, 2999, 10693, 35078, 186083, 221161, 2176532, 2397693, 4574225, 139624443, 144198668, 283823111, 2698606667, 2982429778, 17610755557, 55814696449, 185054844904, 240869541353, 425924386257, 1518642700124, 4981852486629
OFFSET
0,3
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, 142022136, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).
FORMULA
a(n) = 142022136*a(n-17) + a(n-34) for n>33. - Vincenzo Librandi, Dec 18 2013
MATHEMATICA
Denominator[Convergents[Sqrt[241], 30]] (* Harvey P. Dale, Jul 12 2013 *)
CROSSREFS
Cf. A041450.
Sequence in context: A370460 A022119 A042247 * A268492 A130112 A019348
KEYWORD
nonn,frac,easy
EXTENSIONS
More terms from Vincenzo Librandi, Dec 18 2013
STATUS
approved