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A262758 Number of (n+2)X(7+2) 0..1 arrays with each row divisible by 5 and each column divisible by 7, read as a binary number with top and left being the most significant bits. 0

%I #3 Sep 30 2015 11:01:50

%S 103,865,16705,1614175,31840777,1252506169

%N Number of (n+2)X(7+2) 0..1 arrays with each row divisible by 5 and each column divisible by 7, read as a binary number with top and left being the most significant bits.

%C Column 7 of A262759.

%e Some solutions for n=3

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

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

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

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

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

%Y Cf. A262759.

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 30 2015

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Last modified April 16 03:28 EDT 2024. Contains 371696 sequences. (Running on oeis4.)