Ellipse Number Array. Using p5.js library.
// featured in one of Shiffman's video tutorials
var nums = [100, 25, 46, 72];
function setup() {
createCanvas(500, 400);
}
function draw() {
background(0);
stroke(255);
frameRate(1);
fill(random(255));
for (var i = 0; i < 4; i++) {
ellipse(i * 100 + 100, 200, nums[i], nums[i]);
}
}