Even pseudoprimes to base 9.

Terms

a(0) =4a(1) =8a(2) =28a(3) =52a(4) =286a(5) =364a(6) =532a(7) =616a(8) =946a(9) =1036a(10) =1288a(11) =2806a(12) =2926a(13) =3052a(14) =4376a(15) =4636a(16) =5356a(17) =6364a(18) =8744a(19) =8866a(20) =11476a(21) =12124a(22) =15964a(23) =17446a(24) =19096a(25) =19684a(26) =21196a(27) =21736a(28) =24046a(29) =24388