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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.

A372766 Decimal expansion of Sum_{k >= 1} floor(k*log_10(2))/2^k.

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%I A372766 #11 May 20 2024 02:09:14
%S A372766 1,4,2,7,1,7,4,9,7,5,5,6,2,0,7,2,3,3,6,2,6,5,8,8,4,6,5,2,9,8,2,4,1,4,
%T A372766 2,1,5,0,1,3,3,7,5,2,6,4,0,3,8,0,5,1,8,2,0,6,8,7,8,4,3,5,2,3,2,2,2,1,
%U A372766 8,3,9,5,0,3,2,5,1,9,0,0,2,7,1,6,6,7,2,8,3,4
%N A372766 Decimal expansion of Sum_{k >= 1} floor(k*log_10(2))/2^k.
%H A372766 Paolo Xausa, <a href="/A372766/b372766.txt">Table of n, a(n) for n = 0..10000</a>
%H A372766 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.
%F A372766 Approximately 146/1023, correct to 30 digits: see Example 4.1 (d) in Borwein and Borwein (1992), p. 633.
%e A372766 0.14271749755620723362658846529824142150133752640380518206878...
%t A372766 First[RealDigits[Sum[Floor[k*Log10[2]]/2^k, {k, 350}], 10, 100]]
%Y A372766 Cf. A007524, A372610, A372767.
%K A372766 nonn,cons
%O A372766 0,2
%A A372766 _Paolo Xausa_, May 12 2024