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 A197699 #10 Oct 01 2022 00:52:29
%S A197699 3,4,3,6,5,9,2,2,5,7,6,4,7,9,3,5,8,5,8,8,3,1,8,6,3,7,4,8,9,3,5,7,2,7,
%T A197699 9,1,8,3,2,7,8,4,6,7,7,6,5,0,2,2,4,8,1,6,7,3,0,3,6,1,0,1,4,6,5,3,9,6,
%U A197699 5,5,4,2,7,9,7,9,3,0,7,3,7,0,5,9,0,8,8,7,0,3,4,1,7,9,0,1,5,5,4
%N A197699 Decimal expansion of Pi/(6 + Pi).
%C A197699 Least x > 0 such that sin(b*x) = cos(c*x) (and also sin(c*x) = cos(b*x)), where b=3 and c=Pi/2; see the Mathematica program for a graph and A197682 for a discussion and guide to related sequences.
%H A197699 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%e A197699 0.3436592257647935858831863748935727918327846776...
%t A197699 b = 3; c = Pi/2;
%t A197699 t = x /. FindRoot[Sin[b*x] == Cos[c*x], {x, .34, .35}]
%t A197699 N[Pi/(2*b + 2*c), 110]
%t A197699 RealDigits[%] (* A197699 *)
%t A197699 Simplify[Pi/(2*b + 2*c)]
%t A197699 Plot[{Sin[b*x], Cos[c*x]}, {x, 0, 1.5}]
%Y A197699 Cf. A197682.
%K A197699 nonn,cons
%O A197699 0,1
%A A197699 _Clark Kimberling_, Oct 17 2011