Pseudoprimes to base 9, written in base 9.

Terms

a(0) =4a(1) =8a(2) =31a(3) =57a(4) =111a(5) =144a(6) =247a(7) =347a(8) =444a(9) =627a(10) =651a(11) =754a(12) =825a(13) =854a(14) =861a(15) =1261a(16) =1264a(17) =1371a(18) =1457a(19) =1681a(20) =1811a(21) =2102a(22) =2331a(23) =2531a(24) =3338a(25) =3378a(26) =3581a(27) =3631a(28) =3757a(29) =3774