Primes prime(k) such that k^k == k (mod prime(k)).

Terms

a(0) =2a(1) =7a(2) =1009a(3) =2689a(4) =12979a(5) =185161a(6) =203659a(7) =227251a(8) =246773a(9) =364717a(10) =1681853a(11) =2432093a(12) =169985089a(13) =189961939a(14) =466446781a(15) =1126270367a(16) =9257864617a(17) =41161886351a(18) =100877549917a(19) =168710890321a(20) =369064364689