A042612 Numerators of continued fraction convergents to sqrt(835).

28, 29, 260, 289, 549, 838, 4739, 5577, 21470, 69987, 91457, 161444, 414345, 2233169, 4880683, 7113852, 11994535, 43097457, 141286906, 184384363, 1063208721, 1247593084, 2310801805, 3558394889

Offset

0,1

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, 0, 0, 0, 0, 68672711612, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Formula

a(n) = 68672711612*a(n-26) - a(n-52) for n>51. [Bruno Berselli, Nov 30 2013]

Mathematica

Numerator[Convergents[Sqrt[835], 30]] (* Vincenzo Librandi, Nov 29 2013 *)

Crossrefs

Cf. A042613.

Sequence in context: A042606 A042608 A042610 * A042614 A042616 A042618

Adjacent sequences: A042609 A042610 A042611 * A042613 A042614 A042615

Keyword

nonn,cofr,frac,easy

Author

N. J. A. Sloane.

Status

approved