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A042829
Denominators of continued fraction convergents to sqrt(945).
2
1, 1, 3, 4, 27, 328, 1995, 2323, 6641, 8964, 544481, 553445, 1651371, 2204816, 14880267, 180768020, 1099488387, 1280256407, 3660001201, 4940257608, 300075457681, 305015715289, 910106888259, 1215122603548, 8200842509547, 99625232718112, 605952238818219
OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,551122,0,0,0,0,0,0,0,0,0,-1).
FORMULA
G.f.: -(x^18 -x^17 +3*x^16 -4*x^15 +27*x^14 -328*x^13 +1995*x^12 -2323*x^11 +6641*x^10 -8964*x^9 -6641*x^8 -2323*x^7 -1995*x^6 -328*x^5 -27*x^4 -4*x^3 -3*x^2 -x -1) / (x^20 -551122*x^10 +1). - Colin Barker, Dec 24 2013
MATHEMATICA
Denominator[Convergents[Sqrt[945], 30]] (* Vincenzo Librandi, Jan 30 2014 *)
CROSSREFS
Sequence in context: A094084 A362887 A367388 * A232110 A140896 A005326
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 24 2013
STATUS
approved