1/n has period 3 in base 10.

Terms

a(0) =27a(1) =37a(2) =54a(3) =74a(4) =108a(5) =111a(6) =135a(7) =148a(8) =185a(9) =216a(10) =222a(11) =270a(12) =296a(13) =333a(14) =370a(15) =432a(16) =444a(17) =540a(18) =555a(19) =592a(20) =666a(21) =675a(22) =740a(23) =864a(24) =888a(25) =925a(26) =999a(27) =1080a(28) =1110a(29) =1184