A042409 Denominators of continued fraction convergents to sqrt(732).

1, 18, 973, 17532, 947701, 17076150, 923059801, 16632152568, 899059298473, 16199699525082, 875682833652901, 15778490705277300, 852914180918627101, 15368233747240565118, 830737536531909143473, 14968643891321605147632

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, 974, 0, -1).

Formula

G.f.: -(x^2-18*x-1) / (x^4-974*x^2+1). - Colin Barker, Dec 11 2013

Mathematica

Denominator[Convergents[Sqrt[732], 30]] (* Vincenzo Librandi, Jan 21 2014 *)
LinearRecurrence[{0, 974, 0, -1}, {1, 18, 973, 17532}, 30] (* Harvey P. Dale, Jan 31 2014 *)

Crossrefs

Cf. A042408, A040704.

Sequence in context: A123786 A333089 A129009 * A363103 A073960 A095786

Adjacent sequences: A042406 A042407 A042408 * A042410 A042411 A042412

Keyword

nonn,frac,easy

Author

N. J. A. Sloane.

Status

approved