Expansion of e.g.f. log( 1 - log(1 - x)^5 / 120 ).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =15a(7) =175a(8) =1960a(9) =22449a(10) =269199a(11) =3410000a(12) =45753180a(13) =650179816a(14) =9771920158a(15) =155020511282