a(1) = 1; a(n+1) = (Product_{k = 1..n} [a(k)]) * (Sum_{j = 1..n} [1/a(j)]).
A057438
a(1) = 1; a(n+1) = (Product_{k = 1..n} [a(k)]) * (Sum_{j = 1..n} [1/a(j)]).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =27a(5) =739a(6) =546391a(7) =298543324411
External references
- oeis: A057438