A198931 - OEIS

A198931

Decimal expansion of x>0 satisfying 3*x^2-2*cos(x)=4.

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

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OFFSET

1,2

COMMENTS

See A198755 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

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

EXAMPLE

x=1.243937285397236552731015877520572201545888...

MATHEMATICA

a = 3; b = -2; c = 4;

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