a(n) = m/A006939(A001221(m)) with m = A347284(n).

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =2a(5) =4a(6) =24a(7) =24a(8) =48a(9) =48a(10) =96a(11) =576a(12) =576a(13) =1152a(14) =34560a(15) =207360a(16) =414720a(17) =414720a(18) =829440a(19) =174182400a(20) =1045094400a(21) =2090188800a(22) =2090188800a(23) =2090188800a(24) =4180377600a(25) =25082265600a(26) =25082265600a(27) =50164531200