What is the next number in the series 46, 86, 198, 216, 234, ??

Question

Find next number in series 7, 16, 29, 46, ...

Answer 1

46
86 = [46 + (4+6)*4]
198 = [86 + (8+6)*8]
216 = [198 + (1+9+8)*1]
234 = [216 + (2+1+6)*2]

Next
[234 + (2+3+4)*2] i.e. 252

Answer: 252