Least k such that n^n + k is a palindrome.

Terms

a(0) =0a(1) =0a(2) =6a(3) =6a(4) =98a(5) =8a(6) =885a(7) =545a(8) =4294a(9) =1a(10) =542971a(11) =567942a(12) =4985950a(13) =34463095a(14) =817539359a(15) =3335212865a(16) =1825278551a(17) =60542888969a(18) =351980024812a(19) =6758401