cp's OEIS Frontend

A264816 Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 7.

%I A264816 #4 Nov 25 2015 21:45:44
%S A264816 1,1,4,14,47,201,1331,11644,101575,1079100,11958564,169047968,
%T A264816 2375578880,39413148160,962468127744,18758145972224
%N A264816 Number of nX2 arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 3 and columns nondecreasing modulo 7.
%C A264816 Column 2 of A264818.
%e A264816 Some solutions for n=7
%e A264816 ..0..8....0..7....9..7....0..7....0..8....0..7....0..7....7..1....0..7....7..8
%e A264816 ..7..2....3..1....3..0....3..1....7..1....1..8....1..8....0..8....3..8....0..1
%e A264816 ..1..4....4..8...10..1...11..8....9..2...10..2....9..2....3..9...10..1....3..9
%e A264816 ..9.11...12..9...11..8....4..2....3.10....3..9....3.10...11..2....5..2....5..2
%e A264816 .10..5....5..2....5..2...12..9...12..4...12..4...12..4....4.10...12..9...12.10
%e A264816 ..3.12....6.10...13..4....6.10....6.11....6.11....5.11...12..5...13.11....6.11
%e A264816 ..6.13...13.11....6.12...13..5...13..5...13..5....6.13....6.13....6..4...13..4
%Y A264816 Cf. A264818.
%K A264816 nonn
%O A264816 1,3
%A A264816 _R. H. Hardin_, Nov 25 2015