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Number of (n+1) X (4+1) 0..1 arrays with each row and column prime, read as a binary number with top and left being the most significant bits.
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%I #5 May 27 2021 14:52:19

%S 11,100,99,2673,4797,53564,174125,1264975,5828759,28376885

%N Number of (n+1) X (4+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 4 of A261761.

%e Some solutions for n=4

%e ..0..1..0..1..1....1..0..0..0..1....0..1..1..0..1....1..0..0..1..1

%e ..0..0..1..1..1....0..0..0..1..0....0..0..0..1..0....1..0..0..0..1

%e ..0..0..0..1..1....1..1..1..0..1....0..0..1..0..1....1..1..1..1..1

%e ..1..1..1..0..1....1..0..0..1..1....1..1..1..1..1....0..0..0..1..0

%e ..1..1..1..1..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