What is the next number of the following sequence - 14, 31, 41, 58, 147, ??

Question

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, ?

Answer 1

14
14 + 1^2 +4^2 = 31
31 + 3^2 + 1^2 = 41
41 + 4^2 + 1^2 = 58
58 + 5^2 + 8^2 = 147
147 + 1^2 + 4^2 + 7^2 = 213