Positive integers k such that k divides 14^k - 1.

Terms

a(0) =1a(1) =13a(2) =169a(3) =2041a(4) =2197a(5) =26533a(6) =28561a(7) =114413a(8) =320437a(9) =344929a(10) =371293a(11) =1487369a(12) =4165681a(13) =4484077a(14) =4826809a(15) =17962841a(16) =19335797a(17) =24355253a(18) =50308609a(19) =54153853a(20) =58293001a(21) =62748517a(22) =77457601a(23) =233516933a(24) =249302027a(25) =251365361a(26) =316618289