a(n) = Sum_{j=1..n} c(j)^c(n+1-j) where c(k) is the k-th composite number.
A196152
a(n) = Sum_{j=1..n} c(j)^c(n+1-j) where c(k) is the k-th composite number.
Terms
- a(0) =256a(1) =5392a(2) =116288a(3) =2210465a(4) =28444929a(5) =255528577a(6) =4009404505a(7) =153081728914
External references
- oeis: A196152