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%I #4 Dec 18 2015 18:17:23
%S 4,70,12282,20383931,337547720906,59996420905835268,
%T 121724323699826555003445,2953782468893892488974599595107
%N Number of n X n 0..3 arrays with rows and columns, considered as 4-ary numbers, in strictly increasing order
%K nonn
%O 1,1
%A _R. H. Hardin_ Jun 25 2009
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