A222339 Number of nX6 0..6 arrays with no entry increasing mod 7 by 6 rightwards or downwards, starting with upper left zero.

7776, 171774906, 3794659477146, 83827445649884946, 1851823828949372226486, 40908457493732914322944536, 903704698269024081953765683446, 19963651325646523604122389122602956

Offset: 1

Author

R. H. Hardin Feb 15 2013

Keywords

• nonn

Comments

Column 6 of A222340

Examples

			Some solutions for n=3
..0..0..0..4..4..4....0..0..0..2..6..0....0..0..0..0..4..1....0..0..0..0..3..0
..0..0..0..0..2..4....0..0..0..0..0..1....0..0..0..0..5..6....0..0..0..0..1..5
..0..0..0..0..2..2....0..0..0..0..0..4....0..0..0..0..5..1....0..0..0..0..3..6
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..13