var nn = [];
var ct = 0;
var st = setInterval( function() {

	if ( ct === 200 ) {

	  clearInterval( st );

	  console.log(
	    "[ %s ]\n[ length: %d ]",
	    nn.join( ', ' ),
	    nn.length
	  );

	  return;

	}

	// A random number between 4 and 16 without rounding.
	nn.push( ( Math.random() * 12 + 4 ).toFixed( 0 ) );

	++ct;

}, 10 );