A198816 - OEIS

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A198816

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

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

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

OFFSET

1,3

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=1.17650193990183240044737726873104098662371235...

MATHEMATICA

a = 1; b = -1; c = 1;

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