A198430 - OEIS

A198430

Decimal expansion of x>0 having x^2-2x=4*sin(x).

2, 6, 7, 4, 0, 9, 8, 0, 8, 7, 0, 5, 0, 6, 8, 0, 8, 5, 1, 5, 5, 3, 6, 3, 9, 3, 8, 9, 9, 9, 2, 3, 0, 5, 6, 7, 6, 6, 6, 6, 7, 1, 8, 7, 7, 3, 7, 0, 6, 6, 1, 7, 8, 6, 1, 1, 8, 9, 8, 0, 0, 4, 8, 2, 6, 7, 9, 1, 0, 9, 2, 4, 8, 8, 1, 6, 1, 5, 6, 5, 2, 8, 8, 4, 4, 1, 9, 3, 6, 8, 6, 8, 2, 5, 6, 9, 8, 2, 8

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

See A198414 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

Table of n, a(n) for n=1..99.

EXAMPLE

x=2.674098087050680851553639389992305676666...

MATHEMATICA

a = 1; b = -2; c = 4;

f[x_] := a*x^2 + b*x; g[x_] := c*Sin[x]