A041937 Denominators of continued fraction convergents to sqrt(491).

1, 6, 19, 82, 675, 757, 1432, 2189, 5810, 7999, 13809, 297988, 311797, 609785, 1531367, 2141152, 3672519, 5813671, 50181887, 206541219, 669805544, 4225374483, 186586282796, 1123743071259, 3557815496573, 15355005057551, 126397855956981, 141752861014532

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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 187256088340, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Mathematica

Denominator[Convergents[Sqrt[491], 30]] (* Vincenzo Librandi, Dec 27 2013 *)

Crossrefs

Cf. A041936.

Sequence in context: A359190 A220795 A026545 * A279512 A111510 A151277

Adjacent sequences: A041934 A041935 A041936 * A041938 A041939 A041940

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Dec 27 2013

Status

approved