Binary representation of n in base i-1.

Terms

a(0) =0a(1) =1a(2) =1100a(3) =1101a(4) =111010000a(5) =111010001a(6) =111011100a(7) =111011101a(8) =111000000a(9) =111000001a(10) =111001100a(11) =111001101a(12) =100010000a(13) =100010001a(14) =100011100a(15) =100011101a(16) =100000000a(17) =100000001a(18) =100001100a(19) =100001101a(20) =110011010000a(21) =110011010001a(22) =110011011100a(23) =110011011101a(24) =110011000000a(25) =110011000001