A042255 Denominators of continued fraction convergents to sqrt(653).

1, 1, 2, 9, 65, 789, 854, 1643, 2497, 9134, 29899, 39033, 68932, 107965, 1364512, 9659549, 40002708, 49662257, 89664965, 4532910507, 4622575472, 9155485979, 41244519388, 297867121695, 3615649979728, 3913517101423, 7529167081151, 11442684182574, 41857219628873

Offset

0,3

Links

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

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4582572764, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Mathematica

Denominator[Convergents[Sqrt[653], 30]] (* Vincenzo Librandi, Jan 18 2014 *)

Crossrefs

Cf. A042254.

Sequence in context: A377374 A127056 A228696 * A152213 A259607 A214930

Adjacent sequences: A042252 A042253 A042254 * A042256 A042257 A042258

Keyword

nonn,frac,easy

Author

N. J. A. Sloane

Extensions

More terms from Vincenzo Librandi, Jan 19 2014

Status

approved