a(n) = Sum_{k=0..n} ((-1)^(n - k) * A357339(n, k)).

A357342

a(n) = Sum_{k=0..n} ((-1)^(n - k) * A357339(n, k)).

Terms

    a(0) =1a(1) =2a(2) =13a(3) =298a(4) =14825a(5) =1238896a(6) =154892713a(7) =27009853886

External references