Period 2: repeat (5,6).

Terms

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