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%I #8 Jun 11 2021 09:45:51
%S 0,5,4,0,14,7,20,11,10,273,14,13,38,89,68,0
%N Numbers k such that A122735(n) = n^k - k^n.
%C Currently a(n) is not known for n = {17, 18, 22, 25, 26, 27, 28, ...}.
%Y Cf. A122735.
%K hard,more,nonn
%O 1,2
%A _Alexander Adamchuk_, Mar 05 2007
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