For the n-th squarefree number: the product of all primes greater than its smallest factor and less than its largest factor and not dividing it.

A073483

For the n-th squarefree number: the product of all primes greater than its smallest factor and less than its largest factor and not dividing it.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =3a(7) =1a(8) =1a(9) =15a(10) =1a(11) =1a(12) =1a(13) =5a(14) =105a(15) =1a(16) =1155a(17) =1a(18) =1a(19) =1a(20) =35a(21) =15015a(22) =1a(23) =1a(24) =255255a(25) =385a(26) =1a(27) =5a(28) =1a(29) =4849845

External references