An example of a d-perfect sequence.

Terms

a(0) =1a(1) =1a(2) =0a(3) =1a(4) =0a(5) =1a(6) =2a(7) =0a(8) =2a(9) =1a(10) =1a(11) =0a(12) =1a(13) =0a(14) =1a(15) =2a(16) =2a(17) =0a(18) =2a(19) =2a(20) =0a(21) =2a(22) =0a(23) =2a(24) =1a(25) =1a(26) =0a(27) =1a(28) =1a(29) =0