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 A147864 #4 Nov 21 2013 12:49:27
%S A147864 4,7,1,0,3,5,7,6,3,4,5,2,3,1,4,9,5,0,5,0,4,5,3,6,6,4,3,0,4,4,2,4,3,6,
%T A147864 3,7,3,0,6,0,7,0,3,3,8,1,8,1,1,8,4,1,1,5,2,4,9,9,8,1,0,4,4,8,8,8,6,9,
%U A147864 8,5,9,9,6,8,6,1,7,6,9,7,2,3,3,1,1,9,8,9,4,5,5,0,2,9,0,4,3,2,6,0
%N A147864 Decimal expansion of smallest positive solution to x^4 = tan x.
%t A147864 RealDigits[x/.FindRoot[x^4==Tan[x],{x,4.7,4.72}, WorkingPrecision-> 120]][[1]] (* _Harvey P. Dale_, Dec 15 2011 *)
%Y A147864 Cf. A115365, A147862-A147868.
%K A147864 nonn,cons
%O A147864 1,1
%A A147864 Grover Hughes (ghughes(AT)magtel.com), Nov 16 2008