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a(n) = n^((n+1)^(n+2)).
2

%I #10 Sep 16 2023 21:07:52

%S 0,1,2417851639229258349412352

%N a(n) = n^((n+1)^(n+2)).

%C The next four terms have 489, 9408, 195667 and 4485888 digits respectively and are too large to include. - _Rick L. Shepherd_, May 07 2006

%t Table[n^(n+1)^(n+2),{n,0,3}] (* _Vladimir Joseph Stephan Orlovsky_, Mar 14 2011*)

%Y Cf. A103562.

%K bref,nonn

%O 0,3

%A Ian S. Elliott (ie3(AT)uenics.evansville.edu)