5^n mod 157.

Terms

a(0) =1a(1) =5a(2) =25a(3) =125a(4) =154a(5) =142a(6) =82a(7) =96a(8) =9a(9) =45a(10) =68a(11) =26a(12) =130a(13) =22a(14) =110a(15) =79a(16) =81a(17) =91a(18) =141a(19) =77a(20) =71a(21) =41a(22) =48a(23) =83a(24) =101a(25) =34a(26) =13a(27) =65a(28) =11a(29) =55