a(n) = 1 + Sum_{k=0..n-1} k^4 * a(k) * a(n-1-k).
A385842
a(n) = 1 + Sum_{k=0..n-1} k^4 * a(k) * a(n-1-k).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =34a(4) =2789a(5) =716837a(6) =448746495a(7) =582025808335
External references
- oeis: A385842
A385842
a(n) = 1 + Sum_{k=0..n-1} k^4 * a(k) * a(n-1-k).