How many positive integers n<106 are there such that n is equal to twice of square of an integer and is equal to three times of cube of an integer?<spanclass=′latex−bold′>(A)</span>0<spanclass=′latex−bold′>(B)</span>1<spanclass=′latex−bold′>(C)</span>2<spanclass=′latex−bold′>(D)</span>3<spanclass=′latex−bold′>(E)</span>None of the above