a(0) = a(1) = 1; a(n) = a(n-1) + a(n-2) + Sum_{k=0..n-1} k * a(k) * a(n-1-k).
A386467
a(0) = a(1) = 1; a(n) = a(n-1) + a(n-2) + Sum_{k=0..n-1} k * a(k) * a(n-1-k).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =11a(4) =56a(5) =353a(6) =2619a(7) =22175a(8) =210077a(9) =2196732a(10) =25104008a(11) =311139385a(12) =4156661566a(13) =59551385285a(14) =910955221547
External references
- oeis: A386467