Python Easy Solution
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->

# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->

# Code
```python3 []
class Solution:
    def isFascinating(self, n: int) -> bool:
        a=2*n
        b=3*n
        c=str(n)+str(a)+str(b)
        set1=set(c)
        return len(c)==len(set1) and "0" not in c
        
```
['Python3']