A197699 Decimal expansion of Pi/(6 + Pi).

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, 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, 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

Offset

0,1

Comments

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.

Links

Table of n, a(n) for n=0..98.

Index entries for transcendental numbers

Example

0.3436592257647935858831863748935727918327846776...

Mathematica

b = 3; c = Pi/2;
t = x /. FindRoot[Sin[b*x] == Cos[c*x], {x, .34, .35}]
N[Pi/(2*b + 2*c), 110]
RealDigits[%]  (* A197699 *)
Simplify[Pi/(2*b + 2*c)]
Plot[{Sin[b*x], Cos[c*x]}, {x, 0, 1.5}]

Crossrefs

Cf. A197682.

Sequence in context: A110738 A175028 A248006 * A005092 A136195 A117892

Adjacent sequences: A197696 A197697 A197698 * A197700 A197701 A197702

Keyword

nonn,cons

Author

Clark Kimberling, Oct 17 2011

Status

approved