OFFSET
0,3
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 1056, 0, 0, 0, -1).
FORMULA
G.f.: -(x^2-x-1)*(x^4+23*x^2+1) / (x^8-1056*x^4+1). - Colin Barker, Nov 28 2013
a(n) = 1056*a(n-4) - a(n-8) for n>7. - Vincenzo Librandi, Jan 12 2014
MATHEMATICA
Denominator[Convergents[Sqrt[527], 40]] (* Vincenzo Librandi, Jan 12 2014 *)
PROG
(Magma) I:=[1, 1, 22, 23, 1034, 1057, 23231, 24288]; [n le 8 select I[n] else 1056*Self(n-4)-Self(n-8): n in [1..30]]; // Vincenzo Librandi, Jan 12 2014
CROSSREFS
KEYWORD
nonn,frac,easy,less
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 28 2013
STATUS
approved