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A042621 Denominators of continued fraction convergents to sqrt(839). 2
1, 1, 28, 29, 1652, 1681, 47039, 48720, 2775359, 2824079, 79025492, 81849571, 4662601468, 4744451039, 132762779521, 137507230560, 7833167690881, 7970674921441, 223041390569788, 231012065491229, 13159717058078612, 13390729123569841, 374709403394464319 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
G.f.: -(x^2-x-1)*(x^4+29*x^2+1) / (x^8-1680*x^4+1). - Colin Barker, Dec 20 2013
MATHEMATICA
Denominator[Convergents[Sqrt[839], 30]] (* Vincenzo Librandi, Jan 25 2014 *)
CROSSREFS
Sequence in context: A042616 A042618 A042620 * A042622 A044977 A046466
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 20 2013
STATUS
approved

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)