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%I #3 Sep 06 2015 07:53:28
%S 0,147,746,7943,50994,367390,2840132,26703908,234458622,2153468514
%N Number of (n+1)X(4+1) 0..1 arrays with each row nonprime and column prime, read as a binary number with top and left being the most significant bits.
%C Column 4 of A261942.
%e Some solutions for n=4
%e ..1..0..0..0..0....0..1..1..0..0....1..0..0..1..0....0..1..0..0..1
%e ..0..0..0..0..0....0..0..1..0..0....0..0..0..0..0....0..0..1..1..0
%e ..0..0..0..0..1....0..1..1..1..0....0..1..0..0..1....0..0..0..0..0
%e ..0..1..1..1..0....1..1..0..0..1....0..1..1..0..0....1..1..1..1..0
%e ..1..0..1..0..1....1..1..1..1..0....1..1..0..1..1....0..1..1..1..1
%Y Cf. A261942.
%K nonn
%O 1,2
%A _R. H. Hardin_, Sep 06 2015