a(n) = (sum of first n primes)^2 - sum of squares of first n primes.

Terms

a(0) =0a(1) =12a(2) =62a(3) =202a(4) =576a(5) =1304a(6) =2698a(7) =4902a(8) =8444a(9) =14244a(10) =22242a(11) =34082a(12) =50236a(13) =70704a(14) =97118a(15) =131886a(16) =176844a(17) =230524a(18) =297658a(19) =378314a(20) =471608a(21) =584104a(22) =715410a(23) =870982a(24) =1057804a(25) =1271924a(26) =1511090a(27) =1781586a(28) =2080464a(29) =2414944