OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (0,340,0,-1).
FORMULA
G.f.: -(x^3-13*x^2-170*x-13) / (x^4-340*x^2+1). - Colin Barker, Nov 06 2013
MATHEMATICA
Numerator[Convergents[Sqrt[171], 30]] (* Vincenzo Librandi, Nov 01 2013 *)
CROSSREFS
KEYWORD
nonn,cofr,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 06 2013
STATUS
approved