a(n) is the product of divisors d of n such that d is not equal to m^k where m = noncomposite number, k >= 1.

A183092

a(n) is the product of divisors d of n such that d is not equal to m^k where m = noncomposite number, k >= 1.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =6a(6) =1a(7) =1a(8) =1a(9) =10a(10) =1a(11) =72a(12) =1a(13) =14a(14) =15a(15) =1a(16) =1a(17) =108a(18) =1a(19) =200a(20) =21a(21) =22a(22) =1a(23) =1728a(24) =1a(25) =26a(26) =1a(27) =392a(28) =1a(29) =27000

External references