a(n) = Product_{k=1..A056811(n)} A000040(k)^A278109(n,k).

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =2a(6) =2a(7) =4a(8) =12a(9) =12a(10) =12a(11) =24a(12) =24a(13) =24a(14) =24a(15) =48a(16) =48a(17) =144a(18) =144a(19) =288a(20) =288a(21) =288a(22) =288a(23) =576a(24) =2880a(25) =2880a(26) =8640a(27) =17280a(28) =17280a(29) =17280