OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (0,0,0,322,0,0,0,-1).
FORMULA
G.f.: -(x+1)*(x^6-14*x^5+41*x^4-108*x^3-53*x^2-14*x-13) / ((x^2-4*x-1)*(x^2+4*x-1)*(x^4+18*x^2+1)). - Colin Barker, Nov 06 2013
MATHEMATICA
Numerator[Convergents[Sqrt[180], 30]] (* Vincenzo Librandi, Nov 01 2013 *)
LinearRecurrence[{0, 0, 0, 322, 0, 0, 0, -1}, {13, 27, 67, 161, 4253, 8667, 21587, 51841}, 40] (* Harvey P. Dale, Apr 02 2023 *)
CROSSREFS
KEYWORD
nonn,cofr,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 06 2013
STATUS
approved