%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.