a(n) = base-2 concatenation XYZ, where X = number of bits in binary expansion of n, Y = number of 0's, Z = number of 1's.

A171823

a(n) = base-2 concatenation XYZ, where X = number of bits in binary expansion of n, Y = number of 0's, Z = number of 1's.

Terms

    a(0) =101a(1) =1011a(2) =10010a(3) =11101a(4) =11110a(5) =11110a(6) =11011a(7) =100111a(8) =1001010a(9) =1001010a(10) =100111a(11) =1001010a(12) =100111a(13) =100111a(14) =1000100a(15) =1011001a(16) =1011110a(17) =1011110a(18) =1011011a(19) =1011110a(20) =1011011a(21) =1011011a(22) =1011100a(23) =1011110a(24) =1011011a(25) =1011011a(26) =1011100a(27) =1011011a(28) =1011100a(29) =1011100

External references