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%I
%S 2,3,2405,460663,198133379411,281952316704253
%N a(n)= [p(n)^n] - k!, where p(n) is n-th prime number, k is greatest number for which k! <= p(n)^n.
%e a(5)= p(5)^5 - 6! = 3125-720 = 2405
%Y Cf. A136437, A000040, A000142.
%K easy,nonn
%O 1,1
%A _Ctibor O. Zizka_, Apr 06 2008
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