Denominators of the coefficients in the expansion of li^{-1}(x)/x in powers of 1/LambertW(-1,-e/x).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =2a(7) =6a(8) =6a(9) =12a(10) =12a(11) =120a(12) =120a(13) =120a(14) =40a(15) =630a(16) =2520a(17) =5040a(18) =5040a(19) =10080a(20) =10080a(21) =20160a(22) =181440a(23) =19958400a(24) =3991680a(25) =2217600a(26) =6652800a(27) =64864800a(28) =51891840a(29) =518918400