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Number of (n+1)X(7+1) 0..1 arrays with each row and column prime, read as a binary number with top and left being the most significant bits.
0

%I #3 Aug 31 2015 07:18:43

%S 0,885,380,174125,229036,25084172,78901198

%N Number of (n+1)X(7+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 7 of A261761.

%e Some solutions for n=4

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

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

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

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

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

%Y Cf. A261761.

%K nonn

%O 1,2

%A _R. H. Hardin_, Aug 31 2015