a(n) = 2^n mod 83.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =32a(6) =64a(7) =45a(8) =7a(9) =14a(10) =28a(11) =56a(12) =29a(13) =58a(14) =33a(15) =66a(16) =49a(17) =15a(18) =30a(19) =60a(20) =37a(21) =74a(22) =65a(23) =47a(24) =11a(25) =22a(26) =44a(27) =5a(28) =10a(29) =20