Period 2: repeat (3,4).

Terms

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