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A041782 Numerators of continued fraction convergents to sqrt(412). 2
20, 61, 142, 203, 751, 954, 4567, 14655, 33877, 455056, 4584437, 60052737, 124689911, 434122470, 1861179791, 2295302261, 8747086574, 11042388835, 30831864244, 103537981567, 4172351126924, 12620591362339 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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

FORMULA

a(n) = 207075963134*a(n-20) - a(n-40) for n>39. [Bruno Berselli, Nov 09 2013]

MATHEMATICA

Numerator[Convergents[Sqrt[412], 30 (* Vincenzo Librandi, Nov 09 2013 *)

CROSSREFS

Cf. A041783.

Sequence in context: A116530 A219830 A041780 * A041784 A276962 A105092

Adjacent sequences:  A041779 A041780 A041781 * A041783 A041784 A041785

KEYWORD

nonn,cofr,frac,less

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified December 11 19:09 EST 2017. Contains 295919 sequences.