A198124 - OEIS

A198124

Decimal expansion of least x having 2*x^2+2x=cos(x).

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

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

OFFSET

1,3

COMMENTS

See A197737 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

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

EXAMPLE

least x: -1.1678731527385671979308122427699630...

greatest x: 0.3484950481738429165566841847199059939...

MATHEMATICA

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