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, 0, 0, 1764, 0, 0, 0, 0, 1).
FORMULA
G.f.: -(x^8 -2*x^7 +5*x^6 -12*x^5 +29*x^4 +12*x^3 +5*x^2 +2*x +1) / (x^10 +1764*x^5 -1). - Colin Barker, Dec 23 2013
a(n) = 1764*a(n-5) + a(n-10) for n>9. - Vincenzo Librandi, Jan 29 2014
MAPLE
convert(sqrt(925), confrac, 30, cvgts): denom(cvgts); # Wesley Ivan Hurt, Dec 23 2013
MATHEMATICA
Denominator[Convergents[Sqrt[925], 30]] (* Harvey P. Dale, Oct 16 2013 *)
PROG
(Magma) I:=[1, 2, 5, 12, 29, 1752, 3533, 8818, 21169, 51156]; [n le 10 select I[n] else 1764*Self(n-5)+Self(n-10): n in [1..30]]; // Vincenzo Librandi, Jan 29 2014
CROSSREFS
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 23 2013
STATUS
approved