OFFSET
0,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (0,0,114,0,0,1).
FORMULA
G.f.: -(x^4-2*x^3+5*x^2+2*x+1) / (x^6+114*x^3-1). - Colin Barker, Nov 14 2013
a(n) = 114*a(n-3) + a(n-6). - Vincenzo Librandi, Dec 13 2013
MATHEMATICA
Denominator[Convergents[Sqrt[130], 30]] (* Vincenzo Librandi, Dec 13 2013 *)
PROG
(Magma) I:=[ 1, 2, 5, 112, 229, 570 ]; [n le 6 select I[n] else 114*Self(n-3)+Self(n-6): n in [1..40]]; // Vincenzo Librandi, Dec 13 2013
CROSSREFS
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 14 2013
STATUS
approved