Convolution triangle by rows, T(n,k) = A153197(n-k) * A153198.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =2a(6) =5a(7) =2a(8) =2a(9) =5a(10) =15a(11) =5a(12) =4a(13) =5a(14) =14a(15) =51a(16) =15a(17) =10a(18) =10a(19) =14a(20) =43a(21) =189a(22) =51a(23) =30a(24) =25a(25) =28a(26) =43a(27) =143a(28) =748a(29) =189