Number of 1 digits in base 3 representation of 2^n.

Terms

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