What should come at the place of question mark? 3, 4, 13, 14, 45, 46, ?

The sequence alternates between adding 1 and multiplying by 3 then adding increasing odd numbers.

3 + 1 = 4, 4 x 3 + 1 = 13, 13 + 1 = 14, 14 x 3 + 3 = 45, and 45 + 1 = 46.

Next, 46 x 3 + 5 = 143.