|
%I
%S 9376,224917356,12550664907064,663874095310569770,
%T 36782403381406660654696,2046727438556074480856205412,
%U 114199199060786708530926848241438,6372406475864986531993455392445505716
%N Number of (n+1)X(7+1) 0..4 arrays with each row and column divisible by 7, read as a base-5 number with top and left being the most significant digits.
%C Column 7 of A263558.
%H R. H. Hardin, <a href="/A263557/b263557.txt">Table of n, a(n) for n = 1..15</a>
%e Some solutions for n=1
%e ..4..0..4..2..1..0..4..1....1..0..1..4..1..0..4..0....1..1..4..0..1..1..1..2
%e ..1..0..1..4..2..0..1..2....2..0..2..1..2..0..1..0....2..2..1..0..2..2..2..4
%Y Cf. A263558.
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 21 2015
| 