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A042205 Denominators of continued fraction convergents to sqrt(628). 2

%I #13 Mar 19 2017 10:14:45

%S 1,16,17,50,267,1118,2503,3621,9745,23111,79078,102189,385645,4729929,

%T 14575432,19305361,72491515,164288391,401068297,565356688,1531781673,

%U 6692483380,34994198573,76680880526,111675079099,1863482146110,93285782384599,1494436000299694

%N Denominators of continued fraction convergents to sqrt(628).

%H Vincenzo Librandi, <a href="/A042205/b042205.txt">Table of n, a(n) for n = 0..200</a>

%H <a href="/index/Rec#order_52">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 93397457463698, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

%F a(n) = 93397457463698*a(n-26) - a(n-52) for n>51. - _Vincenzo Librandi_, Jan 16 2014

%t Denominator[Convergents[Sqrt[628], 30]] (* _Harvey P. Dale_, Sep 05 2013 *)

%Y Cf. A042204.

%K nonn,frac,easy

%O 0,2

%A _N. J. A. Sloane_.

%E More terms from _Vincenzo Librandi_, Jan 16 2014

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Last modified April 19 18:00 EDT 2024. Contains 371797 sequences. (Running on oeis4.)