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A042235 Denominators of continued fraction convergents to sqrt(643). 1
1, 2, 3, 11, 14, 235, 1894, 4023, 5917, 9940, 55617, 1400365, 7057442, 8457807, 15515249, 39488305, 331421689, 5342235329, 5673657018, 22363206383, 28036863401, 78436933185, 3949883522651, 7978203978487 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..23.

MATHEMATICA

Denominator[Convergents[Sqrt[643], 30]] (* From Harvey P. Dale, Aug 05 2011 *)

CROSSREFS

Cf. A042234.

Sequence in context: A041235 A036972 A041637 * A050587 A178430 A066687

Adjacent sequences:  A042232 A042233 A042234 * A042236 A042237 A042238

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 21 14:53 EDT 2013. Contains 225504 sequences.