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 A358939 #10 Dec 20 2022 11:45:23
%S A358939 8,3,7,6,1,9,7,7,4,8,2,6,9,6,2,1,8,4,9,9,7,5,2,7,2,9,4,1,9,1,8,0,6,0,
%T A358939 9,3,9,2,5,0,5,4,5,1,8,5,8,9,6,0,2,3,7,9,1,2,5,3,0,5,5,6,9,1,2,3,7,8,
%U A358939 5,2,9,6,3,4,6,2
%N A358939 Decimal expansion of the real root of x^5 + x^3 - 1.
%C A358939 The other (complex) roots are 0.217853219392291296... + 1.16695124566484991...*i and -0.636663106805772389... + 0.664701565064356279...*i, together with their conjugates.
%e A358939 0.83761977482696218499752729419180609392505451858960237912530556912378529...
%t A358939 RealDigits[x /. FindRoot[x^5 + x^3 - 1, {x, 1}, WorkingPrecision -> 120], 10, 120][[1]] (* _Amiram Eldar_, Dec 15 2022 *)
%Y A358939 Cf. A160155, A230152, A358940, A358941, A358942.
%K A358939 nonn,cons
%O A358939 0,1
%A A358939 _Wolfdieter Lang_, Dec 15 2022