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A041776 Numerators of continued fraction convergents to sqrt(409). 2
20, 81, 182, 1355, 1537, 2892, 4429, 20608, 45645, 111898, 1500319, 19616045, 40732409, 101080863, 445055861, 546136724, 991192585, 1537329309, 11752497748, 25042324805, 111921796968, 4501914203525 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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

MATHEMATICA

Numerator[Convergents[Sqrt[409], 30]] (* Harvey P. Dale, Nov 01 2011 *)

CROSSREFS

Cf. A041777.

Sequence in context: A200424 A211463 A244449 * A103532 A041778 A219473

Adjacent sequences:  A041773 A041774 A041775 * A041777 A041778 A041779

KEYWORD

nonn,cofr,frac,easy,less

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified March 8 11:41 EST 2021. Contains 341948 sequences. (Running on oeis4.)