Constant sequence: the all 9's sequence.

Terms

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