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A042719
Denominators of continued fraction convergents to sqrt(889).
2
1, 1, 5, 11, 38, 49, 87, 1006, 2099, 3105, 11414, 219971, 231385, 451356, 682741, 1134097, 7487323, 8621420, 50594423, 59215843, 228241952, 1885151459, 5883696329, 7768847788, 44727935269, 52496783057, 359708633611, 412205416668, 771914050279
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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26463949435607314430, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 26463949435607314430*a(n-42) - a(n-84) for n>83. - Vincenzo Librandi, Jan 27 2014
MATHEMATICA
Denominator[Convergents[Sqrt[889], 30]] (* Vincenzo Librandi, Jan 27 2014 *)
CROSSREFS
Sequence in context: A332475 A139515 A038708 * A045717 A197337 A302766
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Jan 27 2014
STATUS
approved