Write n in base 2 and juxtapose; irregular table in which row n lists the binary expansion of n.

Terms

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