Decimal expansion of 1/27.

Terms

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