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, 0, 0, 0, 0, 0, 0, 252006, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
G.f.: -(x^19 -29*x^18 +30*x^17 -59*x^16 +443*x^15 -502*x^14 +6969*x^13 -7471*x^12 +59266*x^11 -66737*x^10 -126003*x^9 -66737*x^8 -59266*x^7 -7471*x^6 -6969*x^5 -502*x^4 -443*x^3 -59*x^2 -30*x -29) / ((x^10 -502*x^5 -1)*(x^10 +502*x^5 -1)). - Colin Barker, Dec 21 2013
a(n) = 252006*a(n-10) - a(n-20). - Wesley Ivan Hurt, Apr 16 2023
MATHEMATICA
Numerator/@Convergents[Sqrt[872], 30] (* Harvey P. Dale, May 02 2011 *)
CROSSREFS
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 21 2013
STATUS
approved