Pseudoprimes to base 9 that are not squarefree.

Terms

a(0) =4a(1) =8a(2) =28a(3) =52a(4) =121a(5) =364a(6) =532a(7) =616a(8) =1036a(9) =1288a(10) =3052a(11) =3751a(12) =4376a(13) =4636a(14) =4961a(15) =5356a(16) =6364a(17) =7381a(18) =8744a(19) =11011a(20) =11476a(21) =12124a(22) =15964a(23) =19096a(24) =19684a(25) =21196a(26) =21736a(27) =24388a(28) =26596a(29) =29161