A199188 - OEIS

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A199188

Decimal expansion of x < 0 satisfying 2*x^2+x*cos(x) = 1.

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

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

OFFSET

0,1

COMMENTS

See A199170 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

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

EXAMPLE

negative: -0.883330197195891938925896450885677107...

positive: 0.522945946113111737247623836359811237...

MATHEMATICA

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