OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (0,146,0,-1).
FORMULA
G.f.: -(x^2-3*x-1) / ((x^2-12*x-1)*(x^2+12*x-1)). - Colin Barker, Dec 02 2013
a(n) = 146*a(n-2) - a(n-4) for n>3. - Vincenzo Librandi, Jan 15 2014
MATHEMATICA
Denominator[Convergents[Sqrt[592], 30]] (* Vincenzo Librandi, Jan 15 2014 *)
LinearRecurrence[{0, 146, 0, -1}, {1, 3, 145, 438}, 20] (* Harvey P. Dale, Apr 25 2023 *)
PROG
(Magma) I:=[1, 3, 145, 438]; [n le 4 select I[n] else 146*Self(n-2)-Self(n-4): n in [1..30]]; // Vincenzo Librandi, Jan 15 2014
CROSSREFS
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 02 2013
STATUS
approved