a(n) = n^2 * prime(n).

Terms

a(0) =2a(1) =12a(2) =45a(3) =112a(4) =275a(5) =468a(6) =833a(7) =1216a(8) =1863a(9) =2900a(10) =3751a(11) =5328a(12) =6929a(13) =8428a(14) =10575a(15) =13568a(16) =17051a(17) =19764a(18) =24187a(19) =28400a(20) =32193a(21) =38236a(22) =43907a(23) =51264a(24) =60625a(25) =68276a(26) =75087a(27) =83888a(28) =91669a(29) =101700