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 A041318 Numerators of continued fraction convergents to sqrt(173). 10
 13, 79, 92, 171, 1118, 29239, 176552, 205791, 382343, 2499849, 65378417, 394770351, 460148768, 854919119, 5589663482, 146186169651, 882706681388, 1028892851039, 1911599532427, 12498490045601, 326872340718053, 1973732534353919, 2300604875071972 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..200 Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 2236, 0, 0, 0, 0, 1). FORMULA a(5*n) = A088316(3*n+1), a(5*n+1) = (A088316(3*n+2) - A088316(3*n+1))/2, a(5*n+2) = (A088316(3*n+2)+A088316(3*n+1))/2, a(5*n+3) = A088316(3*n+2) and a(5*n+4) = A088316(3*n+3)/2. [Johannes W. Meijer, Jun 12 2010] G.f.: -(x^9-13*x^8+79*x^7-92*x^6+171*x^5+1118*x^4+171*x^3+92*x^2+79*x+13) / (x^10+2236*x^5-1). - Colin Barker, Nov 08 2013 MATHEMATICA Numerator[Convergents[Sqrt[173], 30]] (* Vincenzo Librandi, Nov 01 2013 *) LinearRecurrence[{0, 0, 0, 0, 2236, 0, 0, 0, 0, 1}, {13, 79, 92, 171, 1118, 29239, 176552, 205791, 382343, 2499849}, 30] (* Harvey P. Dale, Jul 28 2018 *) CROSSREFS Cf. A041319, A041018, A041046, A041090, A041150, A041226, A041318, A041426, A041550. Cf. A010217 (continued fraction). Sequence in context: A010929 A022608 A060216 * A142056 A173831 A081584 Adjacent sequences:  A041315 A041316 A041317 * A041319 A041320 A041321 KEYWORD nonn,frac,cofr,easy AUTHOR EXTENSIONS More terms from Colin Barker, Nov 08 2013 STATUS approved

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Last modified September 17 16:50 EDT 2021. Contains 347487 sequences. (Running on oeis4.)