a(n) is the least number that has exactly 2^n squarefree divisors and exactly 2^n powerful divisors.
A360903
a(n) is the least number that has exactly 2^n squarefree divisors and exactly 2^n powerful divisors.
Terms
- a(0) =1a(1) =4a(2) =36a(3) =720a(4) =25200a(5) =1940400a(6) =227026800a(7) =42454011600
External references
- oeis: A360903