Triangle of coefficients from fractional iteration of e^x - 1.

Terms

a(0) =1a(1) =1a(2) =3a(3) =1a(4) =13a(5) =18a(6) =1a(7) =50a(8) =205a(9) =180a(10) =1a(11) =201a(12) =1865a(13) =4245a(14) =2700a(15) =1a(16) =875a(17) =16674a(18) =74165a(19) =114345a(20) =56700a(21) =1a(22) =4138a(23) =155477a(24) =1208830a(25) =3394790a(26) =3919860a(27) =1587600a(28) =1a(29) =21145