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a(n) = 2^((n-1)*(2^n-1)).
0

%I #3 May 14 2021 15:39:34

%S 1,1,8,16384,35184372088832,21267647932558653966460912964485513216,

%T 66749594872528440074844428317798503581334516323645399060845050244444366430645017188217565216768

%N a(n) = 2^((n-1)*(2^n-1)).

%K easy,nonn

%O 0,3

%A Matthew Paul Warren (matthew.warren(AT)asu.edu), Jan 28 2003

%E The next term is too large to include.