6^n mod 151.

Terms

a(0) =1a(1) =6a(2) =36a(3) =65a(4) =88a(5) =75a(6) =148a(7) =133a(8) =43a(9) =107a(10) =38a(11) =77a(12) =9a(13) =54a(14) =22a(15) =132a(16) =37a(17) =71a(18) =124a(19) =140a(20) =85a(21) =57a(22) =40a(23) =89a(24) =81a(25) =33a(26) =47a(27) =131a(28) =31a(29) =35