A198426 - OEIS

A198426

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

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

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

OFFSET

1,3

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=1.1605918671900541573133082504330553363179713...

MATHEMATICA

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

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