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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
Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4562498, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).
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
KEYWORD
nonn,frac,easy
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Jan 19 2014
STATUS
approved

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Last modified March 29 03:41 EDT 2024. Contains 371264 sequences. (Running on oeis4.)