a(n) = 1 + Sum_{k=0..n-1} (1 + k^6) * a(k) * a(n-1-k).
A385839
a(n) = 1 + Sum_{k=0..n-1} (1 + k^6) * a(k) * a(n-1-k).
Terms
- a(0) =1a(1) =2a(2) =7a(3) =471a(4) =345240a(5) =1415486250
External references
- oeis: A385839
A385839
a(n) = 1 + Sum_{k=0..n-1} (1 + k^6) * a(k) * a(n-1-k).