A200410 - OEIS

A200410

Decimal expansion of least x>0 satisfying 4*x^2+1=tan(x).

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

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

OFFSET

1,2

COMMENTS

See A200338 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

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

EXAMPLE

x=1.4671070679478940023432483632393658082660943799...

MATHEMATICA

a = 4; b = 0; c = 1;

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