A042222 Numerators of continued fraction convergents to sqrt(637).

25, 101, 530, 1161, 1691, 6234, 7925, 14159, 177833, 2859487, 3037320, 8934127, 11971447, 200477279, 2417698795, 2618176074, 5035874869, 17725800681, 22761675550, 63249151781, 339007434455, 1419278889601

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, 2838557779202, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Mathematica

Numerator[Convergents[Sqrt[637], 30]] (* Vincenzo Librandi, Nov 19 2013 *)

Crossrefs

Cf. A042223.

Sequence in context: A221274 A042220 A114254 * A379868 A158551 A044276

Adjacent sequences: A042219 A042220 A042221 * A042223 A042224 A042225

Keyword

nonn,cofr,frac,easy

Author

N. J. A. Sloane.

Status

approved