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A042309 Denominators of continued fraction convergents to sqrt(681). 1
1, 10, 21, 52, 73, 125, 323, 2063, 14764, 46355, 107474, 153829, 2568738, 2722567, 8013872, 26764183, 195363153, 1198943101, 2593249355, 3792192456, 6385441811, 16563076078, 39511593967, 411679015748 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Cf. A042308.

Sequence in context: A074254 A122963 A067520 * A048697 A090076 A156592

Adjacent sequences:  A042306 A042307 A042308 * A042310 A042311 A042312

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.