Triangle T, read by rows : T(n,k) = A007318(n,k)*A026641(n-k).

Terms

a(0) =1a(1) =1a(2) =1a(3) =4a(4) =2a(5) =1a(6) =13a(7) =12a(8) =3a(9) =1a(10) =46a(11) =52a(12) =24a(13) =4a(14) =1a(15) =166a(16) =230a(17) =130a(18) =40a(19) =5a(20) =1a(21) =610a(22) =996a(23) =690a(24) =260a(25) =60a(26) =6a(27) =1a(28) =2269a(29) =4270