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A042293 Denominators of continued fraction convergents to sqrt(672). 2
1, 1, 12, 13, 662, 675, 8087, 8762, 446187, 454949, 5450626, 5905575, 300729376, 306634951, 3673713837, 3980348788, 202691153237, 206671502025, 2476077675512, 2682749177537, 136613536552362, 139296285729899, 1668872679581251, 1808168965311150 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
G.f.: -(x^2-x-1)*(x^4+13*x^2+1) / ((x^4-26*x^2+1)*(x^4+26*x^2+1)). - Colin Barker, Dec 07 2013
MATHEMATICA
Denominator[Convergents[Sqrt[672], 30]] (* Vincenzo Librandi, Jan 19 2014 *)
CROSSREFS
Sequence in context: A275959 A066321 A099415 * A061097 A121288 A075477
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Dec 07 2013
STATUS
approved

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Last modified June 25 11:48 EDT 2024. Contains 373701 sequences. (Running on oeis4.)