Numbers k such that 2^k == 18 (mod k).

Terms

a(0) =1a(1) =2a(2) =14a(3) =35a(4) =77a(5) =98a(6) =686a(7) =1715a(8) =5957a(9) =18995a(10) =26075a(11) =43921a(12) =49901a(13) =52334a(14) =86555a(15) =102475a(16) =221995a(17) =250355a(18) =1228283a(19) =1493597a(20) =4260059a(21) =6469715a(22) =10538675a(23) =15374219a(24) =19617187a(25) =22731275a(26) =53391779a(27) =60432239a(28) =68597795a(29) =85672139