#!/usr/bin/env python3 for k in [10,12,13,14,16,18]: for extra in ([],[16],[8,16]): A=set(range(1,k+1))|set(extra)|set(range(k+1,114,2))-{111} S={x+y for x in A for y in A};P={x*y for x in A for y in A} print(k,extra,len(A),len(S-P),sorted(S-P)[:20])