Primes of the form 9n^3-1.

Terms

a(0) =71a(1) =8999a(2) =15551a(3) =71999a(4) =197567a(5) =242999a(6) =294911a(7) =876023a(8) =995327a(9) =1265471a(10) =2144951a(11) =2829887a(12) =3086999a(13) =4962311a(14) =5724503a(15) =6560999a(16) =7008191a(17) =10719143a(18) =14787287a(19) =15551999a(20) =18874367a(21) =22639103a(22) =36863999a(23) =45796031a(24) =54257111a(25) =63700991