A200691 - OEIS

A200691

Decimal expansion of least x>0 satisfying 7-x^2=tan(x).

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

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

OFFSET

1,2

COMMENTS

See A200614 for a guide to related sequences. The Mathematica program includes a graph.

LINKS

Table of n, a(n) for n=1..100.

EXAMPLE

x=1.377288196804029360242760441078413525574860...

MATHEMATICA

a = -1; c = 7;

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