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 A228537 x-values in the solution to the Pell equation x^2 - 58*y^2 = -1. 2
 99, 3881493, 152177814459, 5966283389798061, 233914106428244965107, 9170836450659488712186981, 359551813650641808021757811979, 14096588396816226274641548064261693, 552670844326025153672954725385686123779, 21668013108549553778085636688829662104617781 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS All terms are multiples of 99. LINKS Colin Barker, Table of n, a(n) for n = 1..200 Index entries for linear recurrences with constant coefficients, signature (39206,-1). FORMULA a(n) = 39206*a(n-1)-a(n-2). G.f.: 99*x*(x+1) / (x^2-39206*x+1). MATHEMATICA LinearRecurrence[{39206, -1}, {99, 3881493}, 20] (* Harvey P. Dale, Aug 25 2017 *) PROG (PARI) Vec(99*x*(x+1)/(x^2-39206*x+1) + O(x^50)) CROSSREFS Cf. A228538 gives the corresponding y-values. Sequence in context: A233236 A233110 A233214 * A093211 A010114 A287284 Adjacent sequences: A228534 A228535 A228536 * A228538 A228539 A228540 KEYWORD nonn,easy AUTHOR Colin Barker, Aug 24 2013 STATUS approved

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Last modified May 19 14:04 EDT 2024. Contains 372696 sequences. (Running on oeis4.)