Squarefree numbers differing by more than 2 from any other squarefree number.

Terms

a(0) =26a(1) =170a(2) =362a(3) =530a(4) =638a(5) =727a(6) =874a(7) =926a(8) =962a(9) =1027a(10) =1126a(11) =1423a(12) =1574a(13) =1774a(14) =1814a(15) =1826a(16) =1861a(17) =2059a(18) =2402a(19) =2526a(20) =2674a(21) =2726a(22) =2782a(23) =2874a(24) =3178a(25) =3482a(26) =3574a(27) =3719a(28) =3774a(29) =3970