Period 2: repeat (8,10).

Terms

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