a(0) = 1; a(n) = Sum_{k=0..n-1} (1 + k) * (1 + k^3) * binomial(n-1,k) * a(k) * a(n-1-k).
A385940
a(0) = 1; a(n) = Sum_{k=0..n-1} (1 + k) * (1 + k^3) * binomial(n-1,k) * a(k) * a(n-1-k).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =148a(4) =17189a(5) =5676336a(6) =4326290857
External references
- oeis: A385940