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%I #2 Mar 30 2012 17:27:23
%S 0,0,0,0,1,2,3,6,13,33,120,765,4831534,55040353993453427047,
%T 410186270246002225336426103593500672000000000000055040353997149550557
%N a(n) = a(n-1) + a(n-2)*a(n-3) + a(n-4)^a(n-5)
%C First 5 terms are {0,0,0,0,1}; thereafter apply the recurrence. Note that 0^0=1.
%H R. Munafo, <a href="http://mrob.com/pub/math/seq-accelerate.html">Accelerating Sequences</a>
%K nonn
%O 0,6
%A _Robert Munafo_, Jan 21 2010
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