A042065 Denominators of continued fraction convergents to sqrt(556).

1, 1, 2, 5, 7, 12, 19, 69, 226, 521, 747, 4256, 22027, 334661, 356688, 691349, 5887480, 6578829, 71675770, 78254599, 697712562, 775967161, 1473679723, 22881163006, 115879494753, 602278636771, 718158131524, 2038594899819, 6833942830981, 22540423392762

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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24064231002249998, 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, 0, 0, -1).

Mathematica

Denominator[Convergents[Sqrt[556], 30]] (* Vincenzo Librandi, Jan 13 2014 *)

Crossrefs

Cf. A042064.

Sequence in context: A042691 A112732 A331529 * A041793 A359064 A333068

Adjacent sequences: A042062 A042063 A042064 * A042066 A042067 A042068

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Extensions

More terms from Vincenzo Librandi, Jan 13 2014

Status

approved