Product of n-th prime and the sum of the divisors of n.

Terms

a(0) =2a(1) =9a(2) =20a(3) =49a(4) =66a(5) =156a(6) =136a(7) =285a(8) =299a(9) =522a(10) =372a(11) =1036a(12) =574a(13) =1032a(14) =1128a(15) =1643a(16) =1062a(17) =2379a(18) =1340a(19) =2982a(20) =2336a(21) =2844a(22) =1992a(23) =5340a(24) =3007a(25) =4242a(26) =4120a(27) =5992a(28) =3270a(29) =8136