The pattern multiplies by increasing integers and adds 1 each time. We calculate 3 x 1 + 1 = 4, 4 x 2 + 1 = 9, 9 x 3 + 1 = 28, 28 x 4 + 1 = 113, and 113 x 5 + 1 = 566. The next term should be 566 x 6 + 1 = 3397, which means the listed term 2073 is incorrect. Therefore, 2073 is the wrong term.