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 A147862 #9 Feb 11 2025 12:17:55
%S A147862 4,6,6,6,4,9,9,5,6,3,4,4,4,6,4,4,2,7,6,9,4,3,2,8,3,0,1,4,6,0,1,7,9,4,
%T A147862 0,3,0,2,1,1,1,3,6,2,6,8,7,7,2,8,5,9,7,7,6,9,2,4,0,6,1,4,3,0,9,1,4,2,
%U A147862 6,0,5,4,2,2,0,9,9,8,6,8,9,7,1,5,1,4,6,4,1,9,7,6,0,4,1,9,3,0,9,7
%N A147862 Decimal expansion of smallest positive solution to x^2 = tan x.
%H A147862 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%e A147862 4.66649956344464427694328301460179403021113626877285...
%t A147862 RealDigits[x /. FindRoot[Tan[x] == x^2, {x, 4.5}, WorkingPrecision -> 120], 10, 100][[1]] (* _Amiram Eldar_, Jun 09 2021 *)
%Y A147862 Cf. A115365, A147863, A147864, A147865, A147866, A147867, A147868.
%K A147862 nonn,cons
%O A147862 1,1
%A A147862 Grover Hughes (ghughes(AT)magtel.com), Nov 16 2008, Nov 19 2008