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A041999
Denominators of continued fraction convergents to sqrt(522).
2
1, 1, 6, 7, 13, 59, 72, 131, 727, 858, 38479, 39337, 235164, 274501, 509665, 2313161, 2822826, 5135987, 28502761, 33638748, 1508607673, 1542246421, 9219839778, 10762086199, 19981925977, 90689790107, 110671716084, 201361506191, 1117479247039, 1318840753230
OFFSET
0,3
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,39206,0,0,0,0,0,0,0,0,0,-1).
FORMULA
G.f.: -(x^18 -x^17 +6*x^16 -7*x^15 +13*x^14 -59*x^13 +72*x^12 -131*x^11 +727*x^10 -858*x^9 -727*x^8 -131*x^7 -72*x^6 -59*x^5 -13*x^4 -7*x^3 -6*x^2 -x -1) / ((x^10 -198*x^5 -1)*(x^10 +198*x^5 -1)). - Colin Barker, Nov 28 2013
MATHEMATICA
Denominator[Convergents[Sqrt[522], 40]] (* Vincenzo Librandi, Jan 12 2014 *)
CROSSREFS
Sequence in context: A042025 A041072 A154741 * A041319 A042315 A288667
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Colin Barker, Nov 28 2013
STATUS
approved