OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (28,1).
FORMULA
From Philippe Deléham, Nov 21 2008: (Start)
a(n) = 28*a(n-1) + a(n-2), n > 1; a(0)=14, a(1)=393.
G.f.: (14+x)/(1-28*x-x^2). (End)
MATHEMATICA
Numerator[Convergents[Sqrt[197], 30]] (* Vincenzo Librandi, Nov 01 2013 *)
CROSSREFS
KEYWORD
nonn,cofr,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 07 2013
STATUS
approved