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%I #12 Mar 19 2017 09:05:53
%S 1,1,2,11,24,35,129,2615,7974,10589,29152,156349,185501,341850,
%T 13859501,14201351,28060852,154505611,337072074,491577685,1811805129,
%U 36727680265,111994845924,148722526189,409439898302,2195922017699,2605361916001,4801283933700
%N Denominators of continued fraction convergents to sqrt(422).
%H Vincenzo Librandi, <a href="/A041803/b041803.txt">Table of n, a(n) for n = 0..200</a>
%H <a href="/index/Rec#order_28">Index entries for linear recurrences with constant coefficients</a>, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14045002, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
%F a(n) = 14045002*a(n-14) - a(n-28) for n>27. - _Vincenzo Librandi_, Dec 24 2013
%t Denominator[Convergents[Sqrt[422], 30]] (* _Vincenzo Librandi_, Dec 24 2013 *)
%Y Cf. A041802.
%K nonn,frac,easy
%O 0,3
%A _N. J. A. Sloane_.
%E More terms from _Vincenzo Librandi_, Dec 24 2013
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