Decimal expansion of 1/7.

Terms

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