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, 0, 236, 0, 0, 0, 0, 1).
FORMULA
G.f.: (23 +24*x +47*x^2 +71*x^3 +118*x^4 +71*x^5 -47*x^6 +24*x^7 -23*x^8 +x^9)/(1 -236*x^5 -x^10). [Bruno Berselli, Nov 15 2013]
MATHEMATICA
Numerator[Convergents[Sqrt[557], 30]] (* Vincenzo Librandi, Nov 14 2013 *)
CoefficientList[Series[(23 + 24 x + 47 x^2 + 71 x^3 + 118 x^4 + 71 x^5 - 47 x^6 + 24 x^7 - 23 x^8 + x^9)/(1 - 236 x^5 - x^10), {x, 0, 30}], x] (* Bruno Berselli, Nov 15 2013 *)
CROSSREFS
KEYWORD
nonn,cofr,frac,easy,less
AUTHOR
STATUS
approved