Sum of primes dividing n^n+1 (with repetition).

Terms

a(0) =2a(1) =5a(2) =11a(3) =257a(4) =526a(5) =147a(6) =1030a(7) =1027a(8) =530793a(9) =31603a(10) =58685a(11) =2228292a(12) =113060a(13) =180326a(14) =163123a(17) =33414185a(18) =870543318650a(22) =1576297793a(23) =27266016518