Smallest k > n such that n divides k and n^k == n (mod k).

Terms

a(0) =2a(1) =161038a(2) =6a(3) =12a(4) =10a(5) =30a(6) =14a(7) =56a(8) =18a(9) =30a(10) =22a(11) =132a(12) =26a(13) =182a(14) =30a(15) =48a(16) =34a(17) =306a(18) =38a(19) =380a(20) =42a(21) =66a(22) =46a(23) =552a(24) =50a(25) =130a(26) =54a(27) =84a(28) =58a(29) =870