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A042357
Denominators of continued fraction convergents to sqrt(705).
2
1, 1, 2, 9, 29, 299, 926, 4003, 4929, 8932, 469393, 478325, 947718, 4269197, 13755309, 141822287, 439222170, 1898710967, 2337933137, 4236644104, 222643426545, 226880070649, 449523497194, 2024974059425, 6524445675469, 67269430814115, 208332738117814
OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 474322, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
G.f.: -(x^18 -x^17 +2*x^16 -9*x^15 +29*x^14 -299*x^13 +926*x^12 -4003*x^11 +4929*x^10 -8932*x^9 -4929*x^8 -4003*x^7 -926*x^6 -299*x^5 -29*x^4 -9*x^3 -2*x^2 -x -1) / (x^20 -474322*x^10 +1). - Colin Barker, Dec 09 2013
MATHEMATICA
Denominator[Convergents[Sqrt[705], 30]] (* Vincenzo Librandi, Jan 20 2014 *)
CROSSREFS
Sequence in context: A151306 A150904 A122675 * A079783 A182975 A228932
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 09 2013
STATUS
approved