a(n) = (sum of first n primes) * n.

Terms

a(0) =2a(1) =10a(2) =30a(3) =68a(4) =140a(5) =246a(6) =406a(7) =616a(8) =900a(9) =1290a(10) =1760a(11) =2364a(12) =3094a(13) =3934a(14) =4920a(15) =6096a(16) =7480a(17) =9018a(18) =10792a(19) =12780a(20) =14952a(21) =17402a(22) =20102a(23) =23112a(24) =26500a(25) =30186a(26) =34128a(27) =38388a(28) =42920a(29) =47790