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A041798 Numerators of continued fraction convergents to sqrt(420). 1
20, 41, 1660, 3361, 136100, 275561, 11158540, 22592641, 914864180, 1852321001, 75007704220, 151867729441, 6149716881860, 12451301493161, 504201776608300, 1020854854709761, 41338395964998740, 83697646784707241 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Cf. A041799.

Sequence in context: A041792 A041794 A041796 * A132762 A075228 A128672

Adjacent sequences:  A041795 A041796 A041797 * A041799 A041800 A041801

KEYWORD

nonn,cofr,easy,less

AUTHOR

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

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Last modified February 15 09:47 EST 2012. Contains 205762 sequences.