Periodic sequence: Repeat 1, 8.

Terms

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