Period 2: repeat [0, 2].

Terms

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