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A264829 Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 7.

%I A264829 #4 Nov 26 2015 07:05:40
%S A264829 1,2,3,7,27,84,533,5474,53085,404277,4881327,64681840,821227056,
%T A264829 9483498992,205857814704,4404636345376
%N A264829 Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 7.
%C A264829 Column 2 of A264831.
%e A264829 All solutions for n=4
%e A264829 ..3..7....1..7....0..2....0..7....7..3....2..7....0..7
%e A264829 ..4..0....4..0....7..3....4..1....0..4....4..0....1..2
%e A264829 ..5..1....5..2....1..5....5..2....1..5....5..1....4..3
%e A264829 ..6..2....6..3....4..6....6..3....2..6....6..3....5..6
%Y A264829 Cf. A264831.
%K A264829 nonn
%O A264829 1,2
%A A264829 _R. H. Hardin_, Nov 26 2015