A263372 Number of (n+1)X(7+1) 0..2 arrays with each row and column divisible by 7, read as a base-3 number with top and left being the most significant digits.

37, 1359, 1260442, 943196037, 883978450474, 787253224440475

Offset: 1

Author

R. H. Hardin, Oct 16 2015

Keywords

• nonn

Comments

Column 7 of A263373.

Examples

			Some solutions for n=2
..0..0..1..0..0..1..0..0....2..2..2..0..2..2..2..2....2..2..0..0..1..0..0..0
..0..2..1..0..2..1..0..0....1..1..1..0..1..1..1..1....1..1..0..2..1..2..2..0
..0..1..2..0..1..2..0..0....0..0..0..0..0..0..0..0....0..0..0..1..2..1..1..0
		

Crossrefs

Cf. A263373.