a(n) = prime(n)^6 - prime(n)^3.

Terms

a(0) =56a(1) =702a(2) =15500a(3) =117306a(4) =1770230a(5) =4824612a(6) =24132656a(7) =47039022a(8) =148023722a(9) =594798932a(10) =887473890a(11) =2565675756a(12) =4750035320a(13) =6321283542a(14) =10779111506a(15) =22164212252a(16) =42180328262a(17) =51520147380a(18) =90458081406a(19) =128099926010