Expansion of e.g.f. log( 1 - log(1 - x)^3 / 6 ).

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =6a(5) =35a(6) =215a(7) =1414a(8) =9912a(9) =73324a(10) =565170a(11) =4472226a(12) =35725426a(13) =283350132a(14) =2225790476a(15) =18624038224a(16) =216679183120