n-th prime p(k) such that p(k) + p(k+9) = p(k+3) + p(k+6).

Terms

a(0) =13a(1) =17a(2) =23a(3) =31a(4) =41a(5) =137a(6) =139a(7) =149a(8) =151a(9) =337a(10) =349a(11) =353a(12) =383a(13) =419a(14) =499a(15) =541a(16) =557a(17) =563a(18) =859a(19) =941a(20) =1097a(21) =1319a(22) =1609a(23) =1753a(24) =1787a(25) =1979a(26) =2339a(27) =2357a(28) =2389a(29) =2459