%I #4 Apr 10 2023 15:20:39
%S 5,69,789,2004,1212215,1766831,437882194,5217071661
%N Numbers k such that 9^k starts with k.
%Y For k such that b^k starts with n, for b = 2,..., 9, see A100129, A362096, A320930, A362097-A362101.
%K nonn,base,more
%O 1,1
%A _N. J. A. Sloane_, Apr 10 2023, based on an email from _Keith F. Lynch_.