foreach n in (9){
   ve:=vanEck(n);
   println("The first ten terms of the Van Eck (%d) sequence are:".fmt(n));
   println("\t",ve.walk(10).concat(","));
   println("   Terms 991 to 1000 of the sequence are:");
   println("\t",ve.drop(990-10).walk(10).concat(","));
}