A relationship between Pi and the Mandelbrot set. a(n) = number of iterations of z^2 + c that c-values -.75 + x*i go through before escaping, where x = 10^(-n). lim n->inf a(n) * x = Pi.
3, 33, 315, 3143, 31417, 314160, 3141593, 31415927, 314159266, 3141592655
3 seqfan posts
Sat Jan 9 08:43:27 CET 2010 [seqfan] Extension of A097486, Calculating Pi in the Mandelbrot Set