a(0) = 1; a(n) = 2^(n-1)*prime(n)#, where prime(n)# is the product of first n primes.
A303557
a(0) = 1; a(n) = 2^(n-1)*prime(n)#, where prime(n)# is the product of first n primes.
Terms
- a(0) =1a(1) =2a(2) =12a(3) =120a(4) =1680a(5) =36960a(6) =960960a(7) =32672640a(8) =1241560320a(9) =57111774720
External references
- oeis: A303557