OFFSET
1,2
COMMENTS
See A200338 for a guide to related sequences. The Mathematica program includes a graph.
EXAMPLE
1.4919835209264952393066172074133675372190896955...
MATHEMATICA
a = 3; b = 2; c = 3;
f[x_] := a*x^2 + b*x + c; g[x_] := Tan[x]
Plot[{f[x], g[x]}, {x, -.1, Pi/2}, {AxesOrigin -> {0, 0}}]
r = x /. FindRoot[f[x] == g[x], {x, 1.4, 1.5}, WorkingPrecision -> 110]
RealDigits[r] (* A200393 *)
PROG
(PARI) solve(x=1.4, 1.5, 3*x^2+2*x+3-tan(x)) \\ Charles R Greathouse IV, Apr 09 2026
CROSSREFS
KEYWORD
AUTHOR
Clark Kimberling, Nov 17 2011
STATUS
approved
