Squarefree numbers differing by more than 4 from any other squarefree number.

Terms

a(0) =5876126a(1) =8061827a(2) =19375679a(3) =27926071a(4) =29002021a(5) =29850943a(6) =39224453a(7) =39728861a(8) =54427974a(9) =56389147a(10) =60529549a(11) =63520174a(12) =67806346a(13) =71987374a(14) =75239979a(15) =82490423a(16) =87011827a(17) =91332377a(18) =97447622a(19) =99368949a(20) =100842249a(21) =107447838a(22) =110196277a(23) =118389143a(24) =134817726a(25) =149840974a(26) =159140777a(27) =161651279