Numbers n for which 18n+1, 18n+5, 18n+7, 18n+11, 18n+13 and 18n+17 are primes.

Terms

a(0) =892a(1) =2432a(2) =156817a(3) =806697a(4) =822937a(5) =1377022a(6) =1389412a(7) =1418007a(8) =1619642a(9) =1753552a(10) =2017732a(11) =2058647a(12) =2329302a(13) =2554142a(14) =2703347a(15) =3058772a(16) =3135107a(17) =3326522a(18) =3391797a(19) =3723457a(20) =4126867a(21) =4132782a(22) =4171422a(23) =4411837a(24) =4610252a(25) =6378487a(26) =6440087a(27) =6878987a(28) =6897782a(29) =6991547