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A041400 Numerators of continued fraction convergents to sqrt(215). 2
14, 15, 29, 44, 1261, 1305, 2566, 3871, 110954, 114825, 225779, 340604, 9762691, 10103295, 19865986, 29969281, 859005854, 888975135, 1747980989, 2636956124, 75582752461, 78219708585, 153802461046, 232022169631, 6650423210714, 6882445380345, 13532868591059 (list; graph; refs; listen; history; text; internal format)
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, 88, 0, 0, 0, -1).

FORMULA

G.f.: -(x^7-14*x^6+15*x^5-29*x^4-44*x^3-29*x^2-15*x-14) / (x^8-88*x^4+1). - Colin Barker, Nov 07 2013

MATHEMATICA

Numerator[Convergents[Sqrt[215], 30]] (* Harvey P. Dale, Jan 23 2012 *)

CROSSREFS

Cf. A041401.

Sequence in context: A022104 A041398 A041919 * A041396 A041394 A041392

Adjacent sequences:  A041397 A041398 A041399 * A041401 A041402 A041403

KEYWORD

nonn,cofr,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Nov 07 2013

STATUS

approved

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Last modified February 19 18:22 EST 2019. Contains 320327 sequences. (Running on oeis4.)