A201298 - OEIS

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A201298

Decimal expansion of x satisfying x^2 - 4 = cot(x) and 0 < x < Pi.

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

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

OFFSET

1,2

COMMENTS

See A201280 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

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

EXAMPLE

x=1.90980964498413556137064872656308802546477...

MATHEMATICA

a = 1; c = -4;

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