Exponential Riordan array (e^x,A005043(x)).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =9a(8) =3a(9) =1a(10) =1a(11) =52a(12) =30a(13) =4a(14) =1a(15) =1a(16) =545a(17) =250a(18) =70a(19) =5a(20) =1a(21) =1a(22) =6966a(23) =3615a(24) =740a(25) =135a(26) =6a(27) =1a(28) =1a(29) =114457