Exponent of 3 (value of i) in n-th number of form 3^i*8^j.

Terms

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