a(1) = 1; a(n+1) = (Product_{k=1..n} a(k)) * Sum_{k=1..n} a(k).
A057194
a(1) = 1; a(n+1) = (Product_{k=1..n} a(k)) * Sum_{k=1..n} a(k).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =8a(4) =192a(5) =626688
External references
- oeis: A057194
A057194
a(1) = 1; a(n+1) = (Product_{k=1..n} a(k)) * Sum_{k=1..n} a(k).