105
1st number is 13 = 1
2nd number is 23 = 8
3rd number is 33 = 27
So, 4th number is 43 = 256
27
the numbers next in series are 35,43,51,... any two consecutive terms has a difference of 8
-243
37
45
The next number is 49+8 = 57
27
27
45 54
It is 3 times 81 = 243
27
Next number= 27 X 3 = 81.
the numbers next in series are 35,43,51,... any two consecutive terms has a difference of 8
243
25
-243
125