Expansion of Product_{m>=1} (1+x^m)^5.

Terms

a(0) =1a(1) =5a(2) =15a(3) =40a(4) =95a(5) =206a(6) =425a(7) =835a(8) =1575a(9) =2880a(10) =5121a(11) =8885a(12) =15095a(13) =25165a(14) =41240a(15) =66562a(16) =105945a(17) =166480a(18) =258560a(19) =397235a(20) =604162a(21) =910325a(22) =1359680a(23) =2014235a(24) =2961000a(25) =4321283a(26) =6263360a(27) =9019555a(28) =12908945a(29) =18367805