2$ in the Mandelbrot sequence is escaping, attracted, or periodic, we need to iterate the equation $z_{n+1} = z_n^2 + c$ starting with an initial value of $z_0 = 0$.
Let's calculate the first few terms of the sequence:
$z_0 = 0$
$z_1 = z_0^2 + c = -1.2$
$z_2 =
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