A266309 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its west neighbor modulo n and the upper left element equal to 0.

1, 1, 1, 1, 1, 2, 1, 1, 7, 6, 1, 1, 39, 171, 24, 1, 1, 265, 8190, 6666, 120, 1, 1, 1802, 442285, 3264584, 384360, 720, 1, 1, 12239, 25839438, 1935720551, 2357929910, 30900150, 5040, 1, 1, 84614, 1605405629, 1294905380013, 18647592370365, 2805027363620

Offset: 1

Author

R. H. Hardin, Dec 26 2015

Keywords

• nonn
• tabl

Comments

Table starts

...1......1..........1..............1..................1......................1

...1......1..........1..............1..................1......................1

...2......7.........39............265...............1802..................12239

...6....171.......8190.........442285...........25839438.............1605405629

..24...6666....3264584.....1935720551......1294905380013........934699483462236

.120.384360.2357929910.18647592370365.170964048684610518.1721790755351199712746

Examples

			Some solutions for n=3 k=4
..0..0..0..0....0..0..2..1....0..0..2..2....0..2..2..1....0..0..0..2
..1..1..1..1....1..1..0..2....1..1..0..2....1..0..0..2....2..2..1..1
..2..2..2..2....1..0..2..2....1..0..2..1....0..2..1..1....2..1..1..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..66

Crossrefs

Column 1 is A000142(n-1).