using difference logic and then backtracking it,

Is it 385??

31 = 2^2 + 3^3 73 = 3^2 + 4^3 141 = 4^2 + 5^3 241 = 5^2 + 6^3

So next number is 6^2 + 7^3 = 379

What is the next number in the series : 3, 24, 75, 175, 342, ?

find the next number in following series: 16,21,26,26,12,??