OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (0,1154,0,-1).
FORMULA
G.f.: -(x^2-24*x-1) / ((x^2-34*x+1)*(x^2+34*x+1)). - Colin Barker, Dec 01 2013
a(n) = 1154*a(n-2) - a(n-4) for n>3. - Vincenzo Librandi, Jan 14 2014
MATHEMATICA
Denominator[Convergents[Sqrt[578], 30]] (* Vincenzo Librandi, Jan 14 2014 *)
PROG
(Magma) I:=[1, 24, 1153, 27696]; [n le 4 select I[n] else 1154*Self(n-2)-Self(n-4): n in [1..30]]; // Vincenzo Librandi, Jan 14 2014
CROSSREFS
KEYWORD
nonn,frac,easy,less
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 01 2013
STATUS
approved