A121935 - OEIS

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A121935

Decimal expansion of 1/log(3).

9, 1, 0, 2, 3, 9, 2, 2, 6, 6, 2, 6, 8, 3, 7, 3, 9, 3, 6, 1, 4, 2, 4, 0, 1, 6, 5, 7, 3, 6, 1, 0, 7, 0, 0, 0, 6, 1, 2, 6, 3, 6, 0, 5, 7, 2, 5, 5, 2, 1, 1, 7, 4, 4, 7, 2, 6, 3, 0, 2, 0, 6, 3, 2, 9, 5, 2, 8, 1, 0, 8, 3, 1, 9, 3, 7, 9, 3, 7, 4, 6, 6, 4, 7, 2, 7, 1, 7, 8, 0, 8, 3, 8, 0, 8, 7, 1, 4, 8, 2, 8, 9, 7, 0, 1

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OFFSET

0,1

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..10000

Index entries for transcendental numbers.

FORMULA

Equals 1/log(3).

Equals (1/2) * Product_{k>=1} ((1 + 3^(1/2^k))/2). - Amiram Eldar, Jun 04 2023

EXAMPLE

0.9102392266268373936142401657361...

MATHEMATICA

RealDigits[1/Log[3], 10, 105][[1]] (* Alonso del Arte, Dec 01 2012 *)

PROG

(PARI) d=105; default(realprecision, d+1); print(k=1/log(3)); k=10*k; for(c=0, d, z=floor(k); print1(z, ", "); k=10*(k-z)) \\ Klaus Brockhaus, Sep 06 2006

(Magma) SetDefaultRealField(RealField(100)); 1/Log(3); // G. C. Greubel, Oct 07 2019

(Sage) numerical_approx(1/log(3), digits=100) # G. C. Greubel, Oct 07 2019

CROSSREFS

Cf. A002391 (log(3)).

Sequence in context: A256667 A175764 A269948 * A070060 A329085 A273636

Adjacent sequences: A121932 A121933 A121934 * A121936 A121937 A121938

KEYWORD

nonn,cons

AUTHOR

Joost de Winter, Sep 03 2006

EXTENSIONS

More terms from Klaus Brockhaus, Sep 06 2006

STATUS

approved