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A262318 Number of (n+2)X(6+2) 0..1 arrays with each row and column divisible by 7, read as a binary number with top and left being the most significant bits. 0

%I #3 Sep 17 2015 22:22:51

%S 37,145,1009,42661,413893,7914829,281951533,7901300449,257187953521

%N Number of (n+2)X(6+2) 0..1 arrays with each row and column divisible by 7, read as a binary number with top and left being the most significant bits.

%C Column 6 of A262319.

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A262319.

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 17 2015

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)