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, 1801204, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
G.f.: -(x^19 -28*x^18 +29*x^17 -115*x^16 +834*x^15 -949*x^14 +26457*x^13 -27406*x^12 +218299*x^11 -682303*x^10 -900602*x^9 -682303*x^8 -218299*x^7 -27406*x^6 -26457*x^5 -949*x^4 -834*x^3 -115*x^2 -29*x -28) / (x^20 -1801204*x^10 +1). - Colin Barker, Dec 19 2013
MATHEMATICA
Numerator[Convergents[Sqrt[827], 30]] (* Vincenzo Librandi, Nov 29 2013 *)
LinearRecurrence[{0, 0, 0, 0, 0, 0, 0, 0, 0, 1801204, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1}, {28, 29, 115, 834, 949, 26457, 27406, 218299, 682303, 900602, 51116015, 52016617, 207165866, 1502177679, 1709343545, 47654453394, 49363796939, 393201031967, 1228966892840, 1622167924807}, 30] (* Harvey P. Dale, Jul 06 2021 *)
CROSSREFS
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 19 2013
STATUS
approved