The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A042537 Denominators of continued fraction convergents to sqrt(797). 2
 1, 4, 13, 173, 186, 917, 3854, 4771, 65877, 202402, 875485, 49229562, 197793733, 642610761, 8551733626, 9194344387, 45329111174, 190510789083, 235839900257, 3256429492424, 10005128377529, 43276943002540, 2433513936519769, 9777332689081616 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 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, 0, 0, 0, 0, 0, 0, 49431964, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1). FORMULA a(n) = 49431964*a(n-11) + a(n-22) for n>21. - Vincenzo Librandi, Jan 23 2014 MATHEMATICA Denominator[Convergents[Sqrt[797], 30]] (* Harvey P. Dale, Sep 30 2012 *) PROG (Magma) I:=[1, 4, 13, 173, 186, 917, 3854, 4771, 65877, 202402, 875485, 49229562, 197793733, 642610761, 8551733626, 9194344387, 45329111174, 190510789083, 235839900257, 3256429492424, 10005128377529, 43276943002540]; [n le 22 select I[n] else 49431964*Self(n-11)+Self(n-22): n in [1..30]]; // Vincenzo Librandi, Jan 23 2014 CROSSREFS Cf. A040768, A042536. Sequence in context: A203215 A198159 A322659 * A220038 A132512 A203221 Adjacent sequences: A042534 A042535 A042536 * A042538 A042539 A042540 KEYWORD nonn,frac,easy AUTHOR N. J. A. Sloane. EXTENSIONS More terms from Vincenzo Librandi, Jan 23 2014 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified May 25 12:29 EDT 2024. Contains 372788 sequences. (Running on oeis4.)