Expansion of Product_{m>=1} (1 + m*q^m)^16.

Terms

a(0) =1a(1) =16a(2) =152a(3) =1120a(4) =6972a(5) =38368a(6) =191968a(7) =889184a(8) =3862214a(9) =15881616a(10) =62275840a(11) =234205472a(12) =848652120a(13) =2974133152a(14) =10112507808a(15) =33448941824a(16) =107874784017a(17) =339879773648