Numbers k such that k | 11^k + 1.

Terms

a(0) =1a(1) =2a(2) =3a(3) =9a(4) =27a(5) =81a(6) =111a(7) =122a(8) =243a(9) =333a(10) =729a(11) =999a(12) =2187a(13) =2997a(14) =4107a(15) =6561a(16) =7442a(17) =8991a(18) =10233a(19) =12321a(20) =13203a(21) =19683a(22) =24753a(23) =26973a(24) =30699a(25) =36963a(26) =39609a(27) =59049a(28) =74259a(29) =80919