OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (0,452,0,-1).
FORMULA
G.f.: (15 + 226*x + 15*x^2 - x^3)/(1 - 452*x^2 + x^4). [Bruno Berselli, Nov 02 2013]
MATHEMATICA
Numerator[Convergents[Sqrt[227], 30]] (* Vincenzo Librandi, Nov 01 2013 *)
LinearRecurrence[{0, 452, 0, -1}, {15, 226, 6795, 102151}, 20] (* Bruno Berselli, Nov 02 2013 *)
CROSSREFS
KEYWORD
nonn,cofr,frac,easy
AUTHOR
STATUS
approved