First bit in fractional part of binary expansion of cube root of n.

Terms

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