cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A121935 Decimal expansion of 1/log(3).

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%I A121935 #25 Jun 04 2023 01:45:11
%S A121935 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,
%T A121935 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,
%U A121935 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
%N A121935 Decimal expansion of 1/log(3).
%H A121935 G. C. Greubel, <a href="/A121935/b121935.txt">Table of n, a(n) for n = 0..10000</a>
%H A121935 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%F A121935 Equals 1/log(3).
%F A121935 Equals (1/2) * Product_{k>=1} ((1 + 3^(1/2^k))/2). - _Amiram Eldar_, Jun 04 2023
%e A121935 0.9102392266268373936142401657361...
%t A121935 RealDigits[1/Log[3], 10, 105][[1]] (* _Alonso del Arte_, Dec 01 2012 *)
%o A121935 (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
%o A121935 (Magma) SetDefaultRealField(RealField(100)); 1/Log(3); // _G. C. Greubel_, Oct 07 2019
%o A121935 (Sage) numerical_approx(1/log(3), digits=100) # _G. C. Greubel_, Oct 07 2019
%Y A121935 Cf. A002391 (log(3)).
%K A121935 nonn,cons
%O A121935 0,1
%A A121935 _Joost de Winter_, Sep 03 2006
%E A121935 More terms from _Klaus Brockhaus_, Sep 06 2006