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 A042497 Denominators of continued fraction convergents to sqrt(776). 2
 1, 1, 6, 7, 384, 391, 2339, 2730, 149759, 152489, 912204, 1064693, 58405626, 59470319, 355757221, 415227540, 22778044381, 23193271921, 138744403986, 161937675907, 8883378902964, 9045316578871, 54109961797319, 63155278376190, 3464494994111579 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..200 Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 390, 0, 0, 0, -1). FORMULA G.f.: -(x^2-x-1)*(x^4+7*x^2+1) / (x^8-390*x^4+1). - Colin Barker, Dec 16 2013 MATHEMATICA Denominator[Convergents[Sqrt[776], 30]] (* Vincenzo Librandi, Jan 23 2014 *) CROSSREFS Cf. A042496, A040748. Sequence in context: A267255 A041357 A041829 * A011315 A268508 A021151 Adjacent sequences:  A042494 A042495 A042496 * A042498 A042499 A042500 KEYWORD nonn,frac,easy AUTHOR EXTENSIONS More terms from Colin Barker, Dec 16 2013 STATUS approved

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