A041820 Numerators of continued fraction convergents to sqrt(431).

20, 21, 83, 436, 519, 1474, 10837, 12311, 244746, 257057, 2044145, 4345347, 6389492, 36292807, 115267913, 151560720, 6177696713, 6329257433, 25165469012, 132156602493, 157322071505, 446800745503

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, 303121440, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

Mathematica

Numerator[Convergents[Sqrt[431], 30]] (* Vincenzo Librandi, Nov 09 2013 *)

Crossrefs

Cf. A041821.

Sequence in context: A041814 A042865 A041822 * A329599 A041826 A041824

Adjacent sequences: A041817 A041818 A041819 * A041821 A041822 A041823

Keyword

nonn,cofr,frac,easy,less

Author

N. J. A. Sloane.

Status

approved