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, 16859086, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
G.f.: -(x^18 -6*x^17 +7*x^16 -55*x^15 +282*x^14 -1183*x^13 +6197*x^12 -44562*x^11 +50759*x^10 -349116*x^9 -50759*x^8 -44562*x^7 -6197*x^6 -1183*x^5 -282*x^4 -55*x^3 -7*x^2 -6*x -1) / (x^20 -16859086*x^10 +1). - Colin Barker, Dec 02 2013
a(n) = 16859086*a(n-10) - a(n-20) for n>19. - Vincenzo Librandi, Jan 15 2014
MATHEMATICA
Denominator[Convergents[Sqrt[583], 30]] (* Vincenzo Librandi, Jan 15 2014 *)
CROSSREFS
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 02 2013
STATUS
approved