a(n) = (1/2)*Sum_{i} |d(i) - e(i)| where Sum_{i} d(i)*2^i is the base-2 representation of n and e(i) are digits d(i) in reverse order.

A037888

a(n) = (1/2)*Sum_{i} |d(i) - e(i)| where Sum_{i} d(i)*2^i is the base-2 representation of n and e(i) are digits d(i) in reverse order.

Terms

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

External references