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 A042263 Denominators of continued fraction convergents to sqrt(657). 2
 1, 1, 2, 3, 8, 11, 19, 106, 125, 606, 731, 4261, 4992, 9253, 23498, 32751, 56249, 89000, 4506249, 4595249, 9101498, 13696747, 36494992, 50191739, 86686731, 483625394, 570312125, 2764873894, 3335186019, 19440803989, 22775990008, 42216793997 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 FORMULA a(n) = 4562498*a(n-18) - a(n-36) for n>35. - Vincenzo Librandi, Jan 19 2014 MATHEMATICA Denominator[Convergents[Sqrt[657], 30]] (* Harvey P. Dale, May 09 2012 *) CROSSREFS Cf. A042262. Sequence in context: A113873 A007676 A042443 * A280323 A153439 A289752 Adjacent sequences:  A042260 A042261 A042262 * A042264 A042265 A042266 KEYWORD nonn,frac,easy AUTHOR EXTENSIONS More terms from Vincenzo Librandi, Jan 19 2014 STATUS approved

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Last modified August 12 21:10 EDT 2020. Contains 336440 sequences. (Running on oeis4.)