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 A104756 #7 Aug 05 2021 07:37:09
%S A104756 1,1,9,0,9,4,7,0,7,7,0,3,6,0,7,7,2,5,6,0,1,2,0,4,6,7,8,7,3,1,5,2,3,4,
%T A104756 7,9,0,2,1,1,6,6,7,5,7,0,2,4,7,6,3,8,0,8,9,1,0,3,4,4,2,2,8,6,5,3,7,2,
%U A104756 8,1,9,1,5,7,5,7,8,7,2,2,0,6,8,0,3,6,9,2,2,9,0,6,8,5,2,7,6,6,4,2,3,4,8,5,1,2,5,2,7,6,7,6,1,6,0,3,3,1,8,2
%N A104756 Decimal expansion of solution to x^(8^x)=8.
%F A104756 x=1.1909470770360772560; x^(8^x)=8
%t A104756 RealDigits[x/.FindRoot[x^(8^x)==8,{x,1},WorkingPrecision->130],10,120][[1]] (* _Harvey P. Dale_, Jun 03 2020 *)
%Y A104756 Cf. A103561, A104750-A104761.
%K A104756 cons,nonn
%O A104756 1,3
%A A104756 _Zak Seidov_, Mar 23 2005
%E A104756 Corrected and extended by _Harvey P. Dale_, Jun 03 2020
%E A104756 a(120) corrected by _Georg Fischer_, Aug 05 2021