Exponent of 4 (value of i) in n-th number of form 4^i*6^j.

Terms

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