a(n) = least k such that the remainder when 11^k is divided by k is n.

Terms

a(0) =2a(1) =3a(2) =118a(3) =7a(4) =39a(5) =155a(6) =38a(7) =9a(8) =14a(9) =18659a(10) =13a(11) =8153a(12) =92a(13) =1317a(14) =106a(15) =35a(16) =26a(17) =49a(18) =34a(19) =57a(20) =68a(21) =253a(22) =327a(23) =1271a(24) =28a(25) =27a(26) =94a(27) =1633a(28) =46a(29) =161