Expansion of 1/((1-x) * (1+3*x) * (1-5*x)).

Terms

a(0) =1a(1) =3a(2) =22a(3) =90a(4) =511a(5) =2373a(6) =12412a(7) =60420a(8) =307021a(9) =1520343a(10) =7646002a(11) =38097150a(12) =190884331a(13) =953225913a(14) =4769716792a(15) =23837822280a(16) =119221396441a(17) =596010127083