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

Terms

a(0) =1a(1) =16a(2) =136a(3) =832a(4) =4132a(5) =17696a(6) =67712a(7) =236928a(8) =770442a(9) =2355824a(10) =6834240a(11) =18940480a(12) =50424536a(13) =129535968a(14) =322288128a(15) =779022208a(16) =1834203955a(17) =4216133616a(18) =9479688992a(19) =20884408704a(20) =45148577668a(21) =95902505120a(22) =200394848512a(23) =412350614016a(24) =836328261438