a(n) = Product_{j=1..A089576(n)} p_j^e_j with e_j = floor(e_(j-1)*log(p_(j-1))/log(p_j)) where the first factor is 2^n.
A347284
a(n) = Product_{j=1..A089576(n)} p_j^e_j with e_j = floor(e_(j-1)*log(p_(j-1))/log(p_j)) where the first factor is 2^n.
Terms
- a(0) =1a(1) =2a(2) =12a(3) =24a(4) =720a(5) =151200a(6) =302400a(7) =1814400a(8) =4191264000a(9) =8382528000
External references
- oeis: A347284