A042865 Denominators of continued fraction convergents to sqrt(964).

1, 20, 21, 62, 393, 455, 848, 2999, 3847, 6846, 10693, 17539, 203622, 221161, 1088266, 3485959, 4574225, 67525109, 72099334, 283823111, 1207391778, 1491214889, 17610755557, 19101970446, 36712726003, 55814696449, 92527422452, 333396963805, 425924386257

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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 20170287114002498, 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, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Formula

a(n) = 20170287114002498*a(n-34) - a(n-68) for n > 67. - Vincenzo Librandi, Jan 31 2014

Mathematica

Denominator[Convergents[Sqrt[964], 30]] (* Vincenzo Librandi, Jan 31 2014 *)

Crossrefs

Cf. A042864, A040932.

Sequence in context: A041818 A041816 A041814 * A041822 A041820 A329599

Adjacent sequences: A042862 A042863 A042864 * A042866 A042867 A042868

Keyword

nonn,frac,easy,less

Author

N. J. A. Sloane

Extensions

More terms from Vincenzo Librandi, Jan 31 2014

Status

approved