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%I #3 Aug 31 2015 07:16:05
%S 2,4,0,11,0,31,0,0,0,0,0,1028,0,0,0,12251,0,43390,0,0,0,0,0,0,0,0,0,0,
%T 0
%N Number of (n+1)X(1+1) 0..1 arrays with each row and column prime, read as a binary number with top and left being the most significant bits.
%C Column 1 of A261761.
%e Some solutions for n=4
%e ..1..0....1..0....1..1....1..1....1..0....1..0....1..0....1..0....1..1....1..1
%e ..1..0....1..0....1..0....1..0....1..1....1..0....1..1....1..0....1..1....1..1
%e ..1..1....1..0....1..0....1..1....1..1....1..1....1..0....1..0....1..1....1..1
%e ..1..0....1..1....1..1....1..1....1..0....1..1....1..1....1..1....1..1....1..0
%e ..1..1....1..0....1..1....1..1....1..1....1..1....1..1....1..1....1..1....1..1
%Y Cf. A261761.
%K nonn
%O 1,1
%A _R. H. Hardin_, Aug 31 2015