A041737 Denominators of continued fraction convergents to sqrt(388).

1, 1, 3, 10, 43, 526, 569, 5078, 5647, 72842, 297015, 963887, 2224789, 3188676, 123394477, 126583153, 376560783, 1256265502, 5401622791, 66075738994, 71477361785, 637894633274, 709371995059, 9150358573982, 37310806290987, 121082777446943

Offset

0,3

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, 0, 0, 0, 125619266, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Formula

a(n) = 125619266*a(n-14) - a(n-28) for n>27. - Vincenzo Librandi, Dec 23 2013

Mathematica

Denominator[Convergents[Sqrt[388], 30]] (* Vincenzo Librandi, Dec 23 2013 *)

Crossrefs

Cf. A041736.

Sequence in context: A162286 A032269 A179501 * A279105 A246956 A026682

Adjacent sequences: A041734 A041735 A041736 * A041738 A041739 A041740

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Dec 23 2013

Status

approved