Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(k^3).

Terms

a(0) =1a(1) =8a(2) =27a(3) =100a(4) =125a(5) =432a(6) =343a(7) =1144a(8) =1107a(9) =2000a(10) =1331a(11) =6156a(12) =2197a(13) =5488a(14) =6750a(15) =12906a(16) =4913a(17) =20520a(18) =6859a(19) =28500a(20) =18522a(21) =21296a(22) =12167a(23) =80136a(24) =23500a(25) =35152a(26) =43020a(27) =78204a(28) =24389a(29) =135000