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A042894
Numerators of continued fraction convergents to sqrt(979).
2
31, 94, 219, 1189, 1408, 6821, 8229, 47966, 104161, 360449, 22451999, 67716446, 157884891, 857140901, 1015025792, 4917244069, 5932269861, 34578593374, 75089456609, 259846963201, 16185601175071, 48816650488414, 113818902151899, 617911161247909
OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 720898, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
FORMULA
G.f.: -(x^19 - 31*x^18 + 94*x^17 - 219*x^16 + 1189*x^15 - 1408*x^14 + 6821*x^13 - 8229*x^12 + 47966*x^11 - 104161*x^10 - 360449*x^9 - 104161*x^8 - 47966*x^7 - 8229*x^6 - 6821*x^5 - 1408*x^4 - 1189*x^3 - 219*x^2 - 94*x - 31) / (x^20 - 720898*x^10 + 1). - Colin Barker, Dec 25 2013
MATHEMATICA
Numerator[Convergents[Sqrt[979], 30]] (* Vincenzo Librandi, Dec 08 2013 *)
CROSSREFS
Sequence in context: A098440 A042892 A042890 * A042896 A042898 A044218
KEYWORD
nonn,frac,easy
EXTENSIONS
More terms from Colin Barker, Dec 25 2013
STATUS
approved