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A263287 Number of (n+3)X(4+3) 0..1 arrays with each row divisible by 11 and column not divisible by 11, read as a binary number with top and left being the most significant bits. 0

%I #3 Oct 13 2015 12:21:50

%S 6960,112628,1390988,17053263,209176183,2572716056,31161446960,

%T 376946509836

%N Number of (n+3)X(4+3) 0..1 arrays with each row divisible by 11 and column not divisible by 11, read as a binary number with top and left being the most significant bits.

%C Column 4 of A263288.

%e Some solutions for n=2

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

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

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

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

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

%Y Cf. A263288.

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 13 2015

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)