Least positive integer k where k is a perfect power and the number of divisors of k = A001597(n).

A171755

Least positive integer k where k is a perfect power and the number of divisors of k = A001597(n).

Terms

    a(0) =1a(1) =8a(2) =128a(3) =36a(4) =216a(5) =1296a(6) =900a(7) =2147483648a(8) =7776a(9) =46656a(10) =27000a(11) =44100a(12) =10077696a(13) =60466176a(14) =810000a(16) =362797056a(17) =2176782336a(18) =5832000a(19) =24300000a(20) =1587600a(21) =2822400a(22) =9261000

External references