a(n) = 2^n mod 37.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =32a(6) =27a(7) =17a(8) =34a(9) =31a(10) =25a(11) =13a(12) =26a(13) =15a(14) =30a(15) =23a(16) =9a(17) =18a(18) =36a(19) =35a(20) =33a(21) =29a(22) =21a(23) =5a(24) =10a(25) =20a(26) =3a(27) =6a(28) =12a(29) =24