a(n) = 7^n mod 71.

Terms

a(0) =1a(1) =7a(2) =49a(3) =59a(4) =58a(5) =51a(6) =2a(7) =14a(8) =27a(9) =47a(10) =45a(11) =31a(12) =4a(13) =28a(14) =54a(15) =23a(16) =19a(17) =62a(18) =8a(19) =56a(20) =37a(21) =46a(22) =38a(23) =53a(24) =16a(25) =41a(26) =3a(27) =21a(28) =5a(29) =35