A042242 Numerators of continued fraction convergents to sqrt(647).

25, 51, 178, 407, 992, 1399, 2391, 10963, 276466, 1116827, 1393293, 2510120, 6413533, 15337186, 52425091, 120187368, 6061793491, 12243774350, 42793116541, 97830007432, 238453131405, 336283138837

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, 240374736, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Mathematica

Numerator[Convergents[Sqrt[647], 30]] (* Vincenzo Librandi, Nov 19 2013 *)

Crossrefs

Cf. A042243.

Sequence in context: A337630 A270693 A042240 * A042244 A042246 A042248

Adjacent sequences: A042239 A042240 A042241 * A042243 A042244 A042245

Keyword

nonn,cofr,frac,easy

Author

N. J. A. Sloane.

Status

approved