OFFSET
0,2
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, 1338674, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
G.f.: -(x^18 -3*x^17 +10*x^16 -33*x^15 +43*x^14 -635*x^13 +678*x^12 -2669*x^11 +8685*x^10 -28724*x^9 -8685*x^8 -2669*x^7 -678*x^6 -635*x^5 -43*x^4 -33*x^3 -10*x^2 -3*x -1) / (x^20 -1338674*x^10 +1). - Colin Barker, Nov 30 2013
a(n) = 1338674*a(n-10) - a(n-20). - Wesley Ivan Hurt, Sep 05 2022
MATHEMATICA
Denominator[Convergents[Sqrt[543], 30]] (* Vincenzo Librandi, Jan 12 2014 *)
CROSSREFS
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 30 2013
STATUS
approved