Write 2n-1 in base 5 and juxtapose.

Terms

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