Triangle A007318*A090181 (as infinite lower triangular matrices) .

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =7a(8) =6a(9) =1a(10) =1a(11) =15a(12) =24a(13) =10a(14) =1a(15) =1a(16) =31a(17) =80a(18) =60a(19) =15a(20) =1a(21) =1a(22) =63a(23) =240a(24) =280a(25) =125a(26) =21a(27) =1a(28) =1a(29) =127