Diagonal of the triangle (A084783) and the self-convolution of the first column (A084784).

A084785

Diagonal of the triangle (A084783) and the self-convolution of the first column (A084784).

Terms

    a(0) =1a(1) =2a(2) =5a(3) =16a(4) =66a(5) =348a(6) =2298a(7) =18504a(8) =176841a(9) =1958746a(10) =24661493a(11) =347548376a(12) =5415830272a(13) =92410046544

External references