Constrain for 3 power n?

UVM
,
1

how can i write constrain for 3 power n $pow(3, n) ?
i want n must be (1,3,27,…)
like 3 power n

2

In reply to Vrajesh_Rojivadiya:

I think you want a random
value = 3N

class A;
  rand bit [3:0] N;
  rand bit [31:0] value;
  constraint pow3 { value == 3 ** N ; N < 20; }
endclass