A198878 - OEIS

A198878

Decimal expansion of x>0 satisfying 2*x^2-3*cos(x)=-1.

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

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OFFSET

0,1

COMMENTS

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

LINKS

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

EXAMPLE

x=0.76377227490111905011055988592828314549736...

MATHEMATICA

a = 2; b = -3; c = -1;

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