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 A147863 #5 Jun 09 2021 05:33:14
%S A147863 4,7,0,2,7,7,4,5,3,7,0,5,7,4,1,3,6,2,5,4,3,3,7,9,0,8,1,1,0,4,8,9,2,6,
%T A147863 6,9,6,8,5,6,9,7,8,6,1,6,7,5,3,4,5,7,4,0,6,9,3,7,8,0,5,2,8,8,9,7,7,4,
%U A147863 7,1,2,5,9,7,3,1,1,6,6,8,6,5,0,0,2,0,3,9,0,2,2,8,1,7,3,7,5,7,8,4
%N A147863 Decimal expansion of smallest positive solution to x^3 = tan x.
%e A147863 4.70277453705741362543379081104892669685697861675345...
%t A147863 RealDigits[x /. FindRoot[Tan[x] == x^3, {x, 4.7}, WorkingPrecision -> 120], 10, 100][[1]] (* _Amiram Eldar_, Jun 09 2021 *)
%Y A147863 Cf. A115365, A147862, A147864, A147865, A147866, A147867, A147868.
%K A147863 nonn,cons
%O A147863 1,1
%A A147863 Grover Hughes (ghughes(AT)magtel.com), Nov 16 2008