Pseudoprimes to base 4, written in base 4.

Terms

a(0) =33a(1) =1111a(2) =1123a(3) =11111a(4) =12303a(5) =13003a(6) =20301a(7) =22011a(8) =22333a(9) =101101a(10) =103133a(11) =103313a(12) =111223a(13) =120231a(14) =122133a(15) =123001a(16) =131203a(17) =131301a(18) =133333a(19) =200113a(20) =212201a(21) =222031a(22) =230011a(23) =300331a(24) =303031a(25) =310213a(26) =321203a(27) =333001a(28) =1010101a(29) =1010103