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A042389 Denominators of continued fraction convergents to sqrt(721). 2
1, 1, 6, 7, 20, 27, 74, 101, 175, 276, 451, 727, 1178, 20753, 63437, 84190, 147627, 1560460, 7949927, 9510387, 65012249, 74522636, 437625429, 4450776926, 4888402355, 9339179281, 32905940198, 568740162647, 601646102845, 1170386265492, 1772032368337 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

MATHEMATICA

Denominator[Convergents[Sqrt[721], 30]] (* Vincenzo Librandi, Jan 21 2014 *)

CROSSREFS

Cf. A042388.

Sequence in context: A081348 A002361 A041185 * A287859 A288649 A287913

Adjacent sequences:  A042386 A042387 A042388 * A042390 A042391 A042392

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Jan 21 2014

STATUS

approved

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Last modified August 20 06:25 EDT 2019. Contains 326139 sequences. (Running on oeis4.)