a(n) = 3^n mod 43.

Terms

a(0) =1a(1) =3a(2) =9a(3) =27a(4) =38a(5) =28a(6) =41a(7) =37a(8) =25a(9) =32a(10) =10a(11) =30a(12) =4a(13) =12a(14) =36a(15) =22a(16) =23a(17) =26a(18) =35a(19) =19a(20) =14a(21) =42a(22) =40a(23) =34a(24) =16a(25) =5a(26) =15a(27) =2a(28) =6a(29) =18