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 A147865 #6 Jun 09 2021 05:33:34
%S A147865 1,2,3,1,8,1,8,0,4,3,1,4,8,8,8,9,7,8,0,1,8,2,4,3,2,9,5,7,6,7,2,7,9,2,
%T A147865 3,6,3,4,0,1,5,1,1,3,8,1,3,9,7,8,4,2,0,7,9,1,3,1,2,2,5,1,8,6,1,1,3,9,
%U A147865 7,7,1,8,7,5,9,1,4,1,5,8,4,1,1,6,5,7,5,7,2,4,7,8,7,4,0,1,5,5,0,4
%N A147865 Decimal expansion of smallest positive solution to x^5 = tan x.
%e A147865 1.23181804314888978018243295767279236340151138139784...
%t A147865 RealDigits[x /. FindRoot[Tan[x] == x^5, {x, 1.2}, WorkingPrecision -> 120], 10, 100][[1]] (* _Amiram Eldar_, Jun 09 2021 *)
%Y A147865 Cf. A115365, A147862, A147863, A147864, A147866, A147867, A147868.
%K A147865 nonn,cons
%O A147865 1,2
%A A147865 Grover Hughes (ghughes(AT)magtel.com), Nov 16 2008