Cumulant expansion numbers: Coefficients in expansion of log(1 + Sum_{k>=1} x[k]*(t^k)/k!).

Terms

a(0) =1a(1) =1a(2) =-1a(3) =1a(4) =-3a(5) =2a(6) =1a(7) =-4a(8) =-3a(9) =12a(10) =-6a(11) =1a(12) =-5a(13) =-10a(14) =20a(15) =30a(16) =-60a(17) =24a(18) =1a(19) =-6a(20) =-15a(21) =-10a(22) =30a(23) =120a(24) =30a(25) =-120a(26) =-270a(27) =360a(28) =-120a(29) =1