Composite numbers with primitive root 6.

Terms

a(0) =121a(1) =169a(2) =289a(3) =1331a(4) =1681a(5) =2197a(6) =3481a(7) =3721a(8) =4913a(9) =6241a(10) =6889a(11) =7921a(12) =10609a(13) =11449a(14) =11881a(15) =12769a(16) =14641a(17) =16129a(18) =17161a(19) =18769a(20) =22801a(21) =24649a(22) =28561a(23) =32041a(24) =39601a(25) =49729a(26) =51529a(27) =52441a(28) =54289a(29) =63001