a(n) is the concatenation of the binary numbers that are the divisors of n written in base 2.

A182621

a(n) is the concatenation of the binary numbers that are the divisors of n written in base 2.

Terms

    a(0) =1a(1) =110a(2) =111a(3) =110100a(4) =1101a(5) =11011110a(6) =1111a(7) =1101001000a(8) =1111001a(9) =1101011010a(10) =11011a(12) =11101a(13) =1101111110a(14) =1111011111a(16) =110001a(18) =110011a(20) =11111110101a(21) =110101110110a(22) =110111

External references