$$Z_n+1 = (|Re(Z_n)|+i|lm(Z_n)|)^4.5 + C

^{Julia Parameters} X: -1.3457842534335 Y: 0.059139914632006

^{Julia Parameters} X: -0.78821956457006 Y: -0.78821956457006

$$Z_n+1 = Z_n⁶ + C

3 images, in 2 colors: