a(4n) = 0, a(4n+2) = 1, a(2n+1) = a(n).

Terms

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