A201325 - OEIS

A201325

Decimal expansion of x satisfying 7*x^2 - 1 = cot(x) and 0 < x < Pi.

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

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

OFFSET

0,1

COMMENTS

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

LINKS

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

EXAMPLE

x=0.5949408761701702040727050575114711009779...

MATHEMATICA

a = 7; c = -1;

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