Start with 1 Multiply 1 by 1, get 1, add 2, get 3. Multiply 3 by 2, get 6, add 2, get 8. Multiply 8 by 3, get 24, add 2, get 26. Multiply 26 by 4, get 104, add 2, get 106. Multiply ??? by ?, get ???, add ?, get ???. Edwin