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.
%I A372609 #15 May 18 2024 21:30:10
%S A372609 7,7,0,1,6,3,5,3,3,9,5,5,4,9,4,7,8,8,2,4,1,3,6,9,0,2,3,8,4,2,4,1,8,4,
%T A372609 0,8,9,7,2,7,7,7,9,2,7,0,6,6,9,5,0,2,8,2,3,5,6,3,1,1,1,2,1,6,5,9,3,2,
%U A372609 6,2,4,6,6,3,2,9,9,4,1,2,8,4,5,0,9,5,9,2,5,2
%N A372609 Decimal expansion of (10/9)*log(2).
%H A372609 Paolo Xausa, <a href="/A372609/b372609.txt">Table of n, a(n) for n = 0..10000</a>
%H A372609 J. M. Borwein and P. B. Borwein, <a href="https://doi.org/10.2307/2324993">Strange Series and High Precision Fraud</a>, The American Mathematical Monthly, Vol. 99, No. 7 (1992), pp. 622-640.
%H A372609 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F A372609 Equals Sum_{k >= 1} A196564(k)/(k*(k + 1)). See eq. 2.6 and Sum 13 in Borwein and Borwein (1992), p. 626.
%F A372609 Equals (10/3)*A193535. - _Hugo Pfoertner_, May 07 2024
%e A372609 0.77016353395549478824136902384241840897277792706695028235631...
%t A372609 First[RealDigits[10*Log[2]/9, 10, 100]]
%o A372609 (PARI) log(2)*10/9 \\ _Charles R Greathouse IV_, May 18 2024
%Y A372609 Cf. A002162, A193535, A196564, A372585.
%K A372609 nonn,cons
%O A372609 0,1
%A A372609 _Paolo Xausa_, May 07 2024