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A042876
Numerators of continued fraction convergents to sqrt(970).
2
31, 187, 218, 2149, 2367, 4516, 43011, 47527, 328173, 20394253, 122693691, 143087944, 1410485187, 1553573131, 2964058318, 28230097993, 31194156311, 215395035859, 13385686379569, 80529513313273, 93915199692842, 925766310548851, 1019681510241693
OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,656346,0,0,0,0,0,0,0,0,1).
FORMULA
G.f.: -(x^17 - 31*x^16 + 187*x^15 - 218*x^14 + 2149*x^13 - 2367*x^12 + 4516*x^11 - 43011*x^10 + 47527*x^9 + 328173*x^8 + 47527*x^7 + 43011*x^6 + 4516*x^5 + 2367*x^4 + 2149*x^3 + 218*x^2 + 187*x + 31) / (x^18 + 656346*x^9 - 1). - Colin Barker, Dec 25 2013
MATHEMATICA
Numerator[Convergents[Sqrt[970], 30]] (* Vincenzo Librandi, Dec 08 2013 *)
CROSSREFS
Sequence in context: A243522 A227523 A055788 * A042878 A165130 A229145
KEYWORD
nonn,frac,easy
EXTENSIONS
More terms from Colin Barker, Dec 25 2013
STATUS
approved