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A042475
Denominators of continued fraction convergents to sqrt(765).
2
1, 1, 2, 3, 41, 249, 3278, 3527, 6805, 10332, 564733, 575065, 1139798, 1714863, 23433017, 142312965, 1873501562, 2015814527, 3889316089, 5905130616, 322766369353, 328671499969, 651437869322, 980109369291, 13392859670105, 81337267389921, 1070777335739078
OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,571538,0,0,0,0,0,0,0,0,0,-1).
FORMULA
G.f.: -(x^18 -x^17 +2*x^16 -3*x^15 +41*x^14 -249*x^13 +3278*x^12 -3527*x^11 +6805*x^10 -10332*x^9 -6805*x^8 -3527*x^7 -3278*x^6 -249*x^5 -41*x^4 -3*x^3 -2*x^2 -x -1) / ((x^10 -756*x^5 -1)*(x^10 +756*x^5 -1)). - Colin Barker, Dec 15 2013
MATHEMATICA
Denominator[Convergents[Sqrt[765], 30]] (* Vincenzo Librandi, Jan 23 2014 *)
CROSSREFS
Sequence in context: A377791 A094714 A200817 * A241277 A123993 A351820
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 15 2013
STATUS
approved