A016732 Continued fraction for log(4).

1, 2, 1, 1, 2, 3, 7, 6, 4, 1, 1, 21, 3, 1, 3, 3, 1, 1, 2, 1, 1, 2, 6, 1, 1, 3, 9, 3, 3, 1, 2, 1, 1, 1, 3, 1, 10, 7, 2, 5, 2, 2, 4, 9, 7, 1, 1, 1, 13, 1, 14, 1, 1, 1, 1, 2, 6, 1, 1, 1, 2, 2, 9, 1, 1, 3, 3, 1, 34, 1, 1, 5, 16, 3, 3, 1, 1, 9, 2, 1, 3, 2, 2, 1, 1, 1

Offset

0,2

Links

Harry J. Smith, Table of n, a(n) for n = 0..19999

G. Xiao, Contfrac

Example

1.386294361119890618834464242... = 1 + 1/(2 + 1/(1 + 1/(1 + 1/(2 + ...)))). - Harry J. Smith, May 16 2009

Mathematica

ContinuedFraction[2*Log[2], 100] (* G. C. Greubel, Sep 15 2018 *)

Prog

(PARI) { allocatemem(932245000); default(realprecision, 21000); x=contfrac(log(4)); for (n=1, 20000, write("b016732.txt", n-1, " ", x[n])); } \\ Harry J. Smith, May 16 2009
(Magma) ContinuedFraction(2*Log(2)); // G. C. Greubel, Sep 15 2018

Crossrefs

Cf. A016627 (decimal expansion).

Sequence in context: A130030 A088022 A284999 * A077948 A077971 A030018

Adjacent sequences: A016729 A016730 A016731 * A016733 A016734 A016735

Keyword

nonn,cofr,changed

Author

N. J. A. Sloane

Extensions

Offset changed by Andrew Howroyd, Jul 10 2024

Status

approved