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, 314, 0, 0, 1).
FORMULA
G.f.: -(x^4-2*x^3+5*x^2+2*x+1) / (x^6+314*x^3-1). - Colin Barker, Dec 25 2013
a(n) = 314*a(n-3) + a(n-6) for n>5. - Vincenzo Librandi, Feb 01 2014
MATHEMATICA
Denominator[Convergents[Sqrt[986], 30]] (* Vincenzo Librandi, Feb 01 2014 *)
PROG
(Magma) I:=[1, 2, 5, 312, 629, 1570]; [n le 6 select I[n] else 314*Self(n-3)+Self(n-6): n in [1..30]]; // Vincenzo Librandi, Feb 01 2014
CROSSREFS
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 25 2013
STATUS
approved