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Number of (1+3)X(n+3) 0..1 arrays with each row divisible by 13 and column not divisible by 13, read as a binary number with top and left being the most significant bits.
1

%I #4 Oct 13 2015 18:18:50

%S 0,42,228,3516,51978,760086,10182786,142451394,2024998492,28003513524,

%T 390054673950,5448913266138,76316796020802,1067811636132864,

%U 14945387348188038,209239063221488316,2929450625517309300

%N Number of (1+3)X(n+3) 0..1 arrays with each row divisible by 13 and column not divisible by 13, read as a binary number with top and left being the most significant bits.

%C Row 1 of A263303.

%H R. H. Hardin, <a href="/A263304/b263304.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%Y Cf. A263303.

%K nonn

%O 1,2

%A _R. H. Hardin_, Oct 13 2015