Number of terms in Zeckendorf representation of 4^n.

Terms

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