%I #3 Nov 26 2015 20:03:07
%S 1,2,5,12,72,516,2727,29935,295297,2830610,27816612,288374240,
%T 4410043504,44410041788,716533737436,16424244452552
%N Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 6 and columns nondecreasing modulo 7.
%C Row 2 of A264862.
%e Some solutions for n=4
%e ..0..1..7..4....1..7..2..3....0..7..2..3....1..7..2..4....0..1..7..2
%e ..6..2..3..5....6..0..4..5....6..1..4..5....6..0..3..5....6..3..4..5
%Y Cf. A264862.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 26 2015