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A042231 Denominators of continued fraction convergents to sqrt(641). +0
2
1, 3, 19, 22, 217, 673, 890, 3343, 4233, 24508, 28741, 53249, 294986, 348235, 1339691, 1687926, 6403469, 59319147, 65722616, 453654843, 1426687145, 71788012093, 216790723424, 1372532352637, 1589323076061 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Cf. A042230.

Sequence in context: A043073 A022128 A041381 this_sequence A019408 A070045 A063557

Adjacent sequences: A042228 A042229 A042230 this_sequence A042232 A042233 A042234

KEYWORD

nonn,cofr,easy

AUTHOR

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

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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.


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