Tetraprime numbers differing by more than 3 from any other squarefree number.

Terms

a(0) =72474a(1) =106674a(2) =193026a(3) =237522a(4) =261478a(5) =308649a(6) =342066a(7) =370785a(8) =391674a(9) =491322a(10) =604878a(11) =865974a(12) =885477a(13) =931022a(14) =938598a(15) =1005630a(16) =1070727a(17) =1152822a(18) =1186926a(19) =1206822a(20) =1289978a(21) =1306878a(22) =1363326a(23) =1371774a(24) =1392726a(25) =1412918a(26) =1455249a(27) =1528111a(28) =1634227a(29) =1654678