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A041772 Numerators of continued fraction convergents to sqrt(407). 2
20, 101, 121, 343, 464, 2663, 106984, 537583, 644567, 1826717, 2471284, 14183137, 569796764, 2863166957, 3432963721, 9729094399, 13162058120, 75539384999, 3034737458080, 15249226675399, 18283964133479, 51817154942357, 70101119075836, 402322750321537 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 5326, 0, 0, 0, 0, 0, -1).
FORMULA
G.f.: -(x^11 -20*x^10 +101*x^9 -121*x^8 +343*x^7 -464*x^6 -2663*x^5 -464*x^4 -343*x^3 -121*x^2 -101*x -20) / (x^12 -5326*x^6 +1). - Colin Barker, Nov 24 2013
MATHEMATICA
Numerator[Convergents[Sqrt[407], 30]] (* Vincenzo Librandi, Nov 08 2013 *)
CROSSREFS
Sequence in context: A240437 A174078 A239857 * A043462 A044271 A044652
KEYWORD
nonn,cofr,frac,easy,less
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 24 2013
STATUS
approved

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Last modified March 3 15:08 EST 2024. Contains 370512 sequences. (Running on oeis4.)