Triangle read by rows; generalization of A101950.

Terms

a(0) =1a(1) =10a(2) =1a(3) =90a(4) =20a(5) =1a(6) =800a(7) =280a(8) =30a(9) =1a(10) =7101a(11) =3400a(12) =570a(13) =40a(14) =1a(15) =63010a(16) =38301a(17) =8800a(18) =960a(19) =50a(20) =1a(21) =559090a(22) =412020a(23) =120601a(24) =18000a(25) =1450a(26) =60a(27) =1a(28) =4960800a(29) =4296280