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, 0, 0, 0, 0, 0, 146070, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
G.f.: -(x^19 -22*x^18 +89*x^17 -200*x^16 +489*x^15 -689*x^14 +1867*x^13 -2556*x^12 +6979*x^11 -16514*x^10 -73035*x^9 -16514*x^8 -6979*x^7 -2556*x^6 -1867*x^5 -689*x^4 -489*x^3 -200*x^2 -89*x -22) / (x^20 -146070*x^10 +1). - Colin Barker, Nov 27 2013
MATHEMATICA
Numerator[Convergents[Sqrt[494], 30]] (* Harvey P. Dale, Oct 19 2012 *)
CROSSREFS
KEYWORD
nonn,cofr,frac,easy,less
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 27 2013
STATUS
approved