a(n+1) -+ a(n) = prime, a(n+1)*a(n) = average of twin prime pairs, a(1)=1, a(2)=6.

Terms

a(0) =1a(1) =6a(2) =17a(3) =84a(4) =247a(5) =300a(6) =341a(7) =720a(8) =767a(9) =834a(10) =913a(11) =960a(12) =989a(13) =1590a(14) =1741a(15) =2772a(16) =2945a(17) =3102a(18) =3451a(19) =3540a(20) =3563a(21) =4020a(22) =4159a(23) =4812a(24) =5431a(25) =5700a(26) =6131a(27) =6192a(28) =6245a(29) =8586