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A041390 Numerators of continued fraction convergents to sqrt(210). 2
14, 29, 826, 1681, 47894, 97469, 2777026, 5651521, 161019614, 327690749, 9336360586, 19000411921, 541347894374, 1101696200669, 31388841513106, 63879379226881, 1820011459865774, 3703902298958429, 105529275830701786, 214762453960362001, 6118877986720837814 (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 (0,58,0,-1).

FORMULA

G.f.: -(x+1)*(x^2-15*x-14) / (x^4-58*x^2+1). - Colin Barker, Nov 07 2013

MATHEMATICA

Numerator[Convergents[Sqrt[210], 30]] (* Vincenzo Librandi, Nov 01 2013 *)

CROSSREFS

Cf. A041391.

Sequence in context: A041386 A041388 A042617 * A240823 A226734 A162931

Adjacent sequences:  A041387 A041388 A041389 * A041391 A041392 A041393

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 September 28 01:20 EDT 2020. Contains 337388 sequences. (Running on oeis4.)