3^n mod 137.

Terms

a(0) =1a(1) =3a(2) =9a(3) =27a(4) =81a(5) =106a(6) =44a(7) =132a(8) =122a(9) =92a(10) =2a(11) =6a(12) =18a(13) =54a(14) =25a(15) =75a(16) =88a(17) =127a(18) =107a(19) =47a(20) =4a(21) =12a(22) =36a(23) =108a(24) =50a(25) =13a(26) =39a(27) =117a(28) =77a(29) =94