a(0) = 1; a(n) = Sum_{k=0..n-1} (3*k+2) * a(k) * a(n-k-1).

A376086

a(0) = 1; a(n) = Sum_{k=0..n-1} (3*k+2) * a(k) * a(n-k-1).

Terms

    a(0) =1a(1) =2a(2) =14a(3) =160a(4) =2444a(5) =45792a(6) =1005480a(7) =25169760a(8) =705321200a(9) =21841420384a(10) =740194188032

External references