OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (0,0,0,978,0,0,0,-1).
FORMULA
G.f.: -(x+1)*(x^6-18*x^5+53*x^4-280*x^3-209*x^2-18*x-17) / (x^8-978*x^4+1). - Colin Barker, Nov 09 2013
MATHEMATICA
Numerator[Convergents[Sqrt[305], 30]] (* Vincenzo Librandi, Nov 04 2013 *)
LinearRecurrence[{0, 0, 0, 978, 0, 0, 0, -1}, {17, 35, 227, 489, 16853, 34195, 222023, 478241}, 30] (* Harvey P. Dale, May 14 2023 *)
CROSSREFS
KEYWORD
nonn,cofr,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 09 2013
STATUS
approved