a(n) = (p(n)*p(n+1)-p(n+2))/2, where p(n) is the n-th odd prime.

Terms

a(0) =4a(1) =12a(2) =32a(3) =63a(4) =101a(5) =150a(6) =204a(7) =318a(8) =431a(9) =553a(10) =737a(11) =858a(12) =984a(13) =1216a(14) =1533a(15) =1766a(16) =2008a(17) =2342a(18) =2552a(19) =2842a(20) =3234a(21) =3645a(22) =4266a(23) =4847a(24) =5148a(25) =5456a(26) =5775a(27) =6095a(28) =7110a(29) =8250