Pseudoprimes to base 7.

Terms

a(0) =6a(1) =25a(2) =325a(3) =561a(4) =703a(5) =817a(6) =1105a(7) =1825a(8) =2101a(9) =2353a(10) =2465a(11) =3277a(12) =4525a(13) =4825a(14) =6697a(15) =8321a(16) =10225a(17) =10585a(18) =10621a(19) =11041a(20) =11521a(21) =12025a(22) =13665a(23) =14089a(24) =16725a(25) =16806a(26) =18721a(27) =19345a(28) =20197a(29) =20417