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A042259
Denominators of continued fraction convergents to sqrt(655).
2
1, 1, 2, 5, 27, 86, 199, 1678, 16979, 137510, 291999, 1013507, 5359534, 11732575, 17092109, 28824684, 1458326309, 1487150993, 2945477302, 7378105597, 39836005287, 126886121458, 293608248203, 2475752107082, 25051129319023, 202884786659266
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, 1475418418, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
a(n) = 1475418418*a(n-16) - a(n-32) for n>31. - Vincenzo Librandi, Jan 19 2014
MATHEMATICA
Denominator[Convergents[Sqrt[655], 30]] (* Vincenzo Librandi, Jan 19 2014 *)
CROSSREFS
Cf. A042258.
Sequence in context: A299104 A090744 A041571 * A100105 A087130 A265266
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Jan 19 2014
STATUS
approved