n-th binary digit in fractional part of square root of n.

Terms

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