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A041855 Denominators of continued fraction convergents to sqrt(449). 2
1, 5, 16, 21, 37, 58, 443, 501, 2948, 15241, 18189, 142564, 160753, 303317, 464070, 1695527, 8941705, 377247137, 1895177390, 6062779307, 7957956697, 14020736004, 21978692701, 167871584911, 189850277612, 1117122972971, 5775465142467, 6892588115438 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

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

FORMULA

a(n) = 378942664*a(n-17) + a(n-34) for n>33. - Vincenzo Librandi, Dec 26 2013

MATHEMATICA

Denominator[Convergents[Sqrt[449], 30]] (* Vincenzo Librandi, Dec 26 2013 *)

CROSSREFS

Cf. A041854.

Sequence in context: A191264 A077469 A022140 * A030691 A041107 A042603

Adjacent sequences: A041852 A041853 A041854 * A041856 A041857 A041858

KEYWORD

nonn,frac,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Dec 26 2013

STATUS

approved

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Last modified February 2 03:35 EST 2023. Contains 359997 sequences. (Running on oeis4.)