a(n) = least k such that the remainder when 27^k is divided by k is n.

Terms

a(0) =2a(1) =5a(2) =6a(3) =23a(4) =11a(5) =7a(6) =25a(7) =19a(8) =10a(9) =17a(10) =718a(11) =165a(12) =35a(13) =533a(14) =33a(15) =3738251a(16) =178a(17) =57a(18) =142a(19) =9779a(20) =60a(21) =2227273193a(22) =55a(23) =19659a(24) =724a(25) =17678421233a(26) =29a(27) =17473a(28) =70a(29) =19653