OFFSET
0,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..200
Index entries for linear recurrences with constant coefficients, signature (0,0,0,48,0,0,0,-1).
FORMULA
G.f.: (4+5*x+19*x^2+24*x^3+19*x^4-5*x^5+4*x^6-x^7)/(1-48*x^4+x^8). [Colin Barker, Jan 03 2012]
MATHEMATICA
Table[Numerator[FromContinuedFraction[ContinuedFraction[Sqrt[23], n]]], {n, 1, 50}] (* Vladimir Joseph Stephan Orlovsky, Mar 17 2011 *)
Numerator[Convergents[Sqrt[23], 40]] (* Harvey P. Dale, Nov 29 2012 *)
CROSSREFS
KEYWORD
nonn,cofr,frac,easy
AUTHOR
STATUS
approved