Find next number in series 7, 16, 29, 46, ...
7 + (9 + 4×0) = 16 16 + (9 + 4×1) = 29 29 + (9 + 4×2) = 46 46 + (9 + 4×3) = 67.
Find the number that comes next in the following series:
3, 7, 12, 14, 16, 19, 21, 25, 30, 41, 45, 52, 54, 56, 59, 61, 65, 70, ?
