Numbers of the form P(k)^m * Q(k), k > 1, m >= 1, with P(k) = Product_{i=1..k} prime(i) = A002110(k) and Q(k) = Product_{j=1..k} P(j) = A006939(k).

A387493

Numbers of the form P(k)^m * Q(k), k > 1, m >= 1, with P(k) = Product_{i=1..k} prime(i) = A002110(k) and Q(k) = Product_{j=1..k} P(j) = A006939(k).

Terms

    a(0) =72a(1) =432a(2) =2592a(3) =10800a(4) =15552a(5) =93312a(6) =324000a(7) =559872a(8) =3359232a(9) =9720000a(10) =15876000a(11) =20155392a(12) =120932352a(13) =291600000a(14) =725594112a(15) =3333960000a(16) =4353564672a(17) =8748000000a(18) =26121388032a(19) =156728328192a(20) =262440000000a(21) =403409160000a(22) =700131600000a(23) =940369969152

External references