A041770 Numerators of continued fraction convergents to sqrt(406).

20, 121, 141, 403, 1753, 12674, 14427, 70382, 84809, 664045, 2740989, 6146023, 8887012, 59468095, 2387610812, 14385132967, 16772743779, 47930620525, 208495225879, 1507397201678, 1715892427557, 8370966911906

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, 118936190, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Mathematica

Numerator[Convergents[Sqrt[406], 30]] (* Harvey P. Dale, Nov 06 2012 *)

Crossrefs

Cf. A041771.

Sequence in context: A280439 A093566 A213223 * A156255 A004634 A222859

Adjacent sequences: A041767 A041768 A041769 * A041771 A041772 A041773

Keyword

nonn,cofr,frac,easy,less

Author

N. J. A. Sloane.

Status

approved