According to the International Union of Pure and Applied Chemistry, “Elements with atomic numbers 112 and above have been reported but not fully authenticated.”
Actually, they need to update: 112 is now Copernecium.
My table shows them on the bottom row, labeled ununtrium, ununquadium, etc. through ununoctium. Basically, “no name 13” through “no name18.”
I chose to represent them with a series of hand-dyed solids, graded from light through dark, featuring only the atomic numbers.