a(n) = Sum_{k=0..n} binomial(n,k) * A000108(k) * k^(n-k).
A349603
a(n) = Sum_{k=0..n} binomial(n,k) * A000108(k) * k^(n-k).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =20a(4) =126a(5) =937a(6) =7938a(7) =74909a(8) =775022a(9) =8688827a(10) =104608026a(11) =1342844846a(12) =18273663268a(13) =262347913479
External references
- oeis: A349603