Exponential Riordan array (log(1/(1-x)), x*A005043(x)).

Terms

a(0) =0a(1) =1a(2) =0a(3) =1a(4) =2a(5) =0a(6) =2a(7) =3a(8) =3a(9) =0a(10) =6a(11) =32a(12) =6a(13) =4a(14) =0a(15) =24a(16) =210a(17) =140a(18) =10a(19) =5a(20) =0a(21) =120a(22) =2904a(23) =1170a(24) =400a(25) =15a(26) =6a(27) =0a(28) =720a(29) =41580