Complete the series 1, 5, 13, 25, 41, ?
61 . 1 + 4 = 5 + 8 = 13 + 12 = 25 + 16 = 41 + 20 = 61
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, ?
