a(n) = Product{i = 1..(n-1)} prime(i)^e_i, where prime(i)^e_i is the smallest power of prime(i) which exceeds prime(n).
A377356
a(n) = Product{i = 1..(n-1)} prime(i)^e_i, where prime(i)^e_i is the smallest power of prime(i) which exceeds prime(n).
Terms
- a(0) =1a(1) =4a(2) =72a(3) =1800a(4) =529200a(5) =64033200a(6) =21643221600
External references
- oeis: A377356