a(n) = 2*prime(n)*prime(n+1).

Terms

a(0) =12a(1) =30a(2) =70a(3) =154a(4) =286a(5) =442a(6) =646a(7) =874a(8) =1334a(9) =1798a(10) =2294a(11) =3034a(12) =3526a(13) =4042a(14) =4982a(15) =6254a(16) =7198a(17) =8174a(18) =9514a(19) =10366a(20) =11534a(21) =13114a(22) =14774a(23) =17266a(24) =19594a(25) =20806a(26) =22042a(27) =23326a(28) =24634a(29) =28702