sevenHundred AndEightyOne<br>

mySketch
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// Circles drawn using recursion.
// sin, cos, frameCount, abs, translate, ellipse, recursion, recursive, grayscale
// Mouse click toggles display.
​
float howFast;
boolean thisWay;
​
void setup() {
  size(500, 500);
  thisWay = true;
}
​
void draw() {
  background(245);
  howFast = frameCount *.005;
  translate(width/2, height/2);
  rotate(sin(howFast));
  drawCircle(0, 0, abs(sin(howFast) * 405), abs(cos(howFast) * 405), 0);
}
​
void drawCircle(float x, float y, float s, float p, int l) { 
  l++;
  if (l > 5) return;
  else {   
    stroke(60);
    strokeWeight(.3);
    fill(0, 5);
    if (thisWay) ellipse(x, y, p, s); 
    else ellipse(x, y, s, s);
    s = s/3;   
    p = p/3;
    drawCircle(x, y, s, p, l);
    drawCircle(x+p, y, s, p, l);
    drawCircle(x, y+p, s, p, l);
    drawCircle(x-p, y, s, p, l);
    drawCircle(x, y-p, s, p, l);
  }
}
​
void mousePressed() {
  thisWay = !thisWay;
}
​