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A042067
Denominators of continued fraction convergents to sqrt(557).
2
1, 1, 2, 3, 5, 233, 238, 471, 709, 1180, 54989, 56169, 111158, 167327, 278485, 12977637, 13256122, 26233759, 39489881, 65723640, 3062777321, 3128500961, 6191278282, 9319779243, 15511057525, 722828425393, 738339482918, 1461167908311, 2199507391229
OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 236, 0, 0, 0, 0, 1).
FORMULA
G.f.: -(x^4-3*x^3+4*x^2-2*x+1)*(x^4+2*x^3+4*x^2+3*x+1) / (x^10+236*x^5-1). - Colin Barker, Dec 01 2013
MATHEMATICA
Denominator[Convergents[Sqrt[557], 30]] (* Vincenzo Librandi, Jan 13 2014 *)
CROSSREFS
Sequence in context: A062597 A038526 A082755 * A333803 A338262 A376605
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 01 2013
STATUS
approved