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A262484 Number of (n+3)X(3+3) 0..1 arrays with each row and column divisible by 13, read as a binary number with top and left being the most significant bits. 1

%I

%S 5,9,17,61,245,877,3025,11357,56785,172369,635641,2538937,11331605,

%T 47564337,208241561,967197829,4595731157,21765558325,103101439417,

%U 494291376845,2471456884225,11682988812097,56743053605377

%N Number of (n+3)X(3+3) 0..1 arrays with each row and column divisible by 13, read as a binary number with top and left being the most significant bits.

%C Column 3 of A262488.

%H R. H. Hardin, <a href="/A262484/b262484.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..0..1..0....0..0..1..1..0..1....0..0..0..0..0..0

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

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

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

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

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

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

%Y Cf. A262488.

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 24 2015

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Last modified September 25 02:25 EDT 2021. Contains 347651 sequences. (Running on oeis4.)