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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
OFFSET
0,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 207075963134, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
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: A219830 A359444 A041780 * A041784 A276962 A105092
KEYWORD
nonn,cofr,frac,less
AUTHOR
STATUS
approved