%I #3 Nov 22 2015 11:02:42
%S 1,2,4,22,154,931,14160,195952,2808960,58924800,1585406976,
%T 38032879616,1491624640512,52205681184768,2118556421369856
%N Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 4 and columns nondecreasing modulo 6.
%C Row 2 of A264728.
%e Some solutions for n=6
%e ..0..4..8..6..2.10....8..0..6..2.10..7....0..4..8..1..9..5....0..6..2..7.11..3
%e ..1..5..9..7..3.11....4..9..1..5.11..3....6.10..2..7..3.11....4..8..9..1..5.10
%Y Cf. A264728.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 22 2015