A268423 T(n,k)=Number of nXk 0..3 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

1, 2, 2, 4, 15, 5, 12, 159, 187, 14, 39, 2191, 9054, 2530, 44, 138, 30295, 494098, 467899, 34195, 147, 499, 421471, 25770278, 92967597, 22309009, 448667, 505, 1830, 5797959, 1339895662, 17282463434, 15615613747, 999810316, 5720450, 1750, 6723, 79367143

Offset: 1

Author

R. H. Hardin, Feb 04 2016

Keywords

• nonn
• tabl

Comments

Table starts

....1.........2.............4..............12...............39..............138

....2........15...........159............2191............30295...........421471

....5.......187..........9054..........494098.........25770278.......1339895662

...14......2530........467899........92967597......17282463434....3197637400309

...44.....34195......22309009.....15615613747...10053286458091.6434348326690233

..147....448667.....999810316...2414369699870.5273786308929110

..505...5720450...42764566838.350815694801710

.1750..71224847.1764109373799

.6065.869969995

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..60

Crossrefs

Column 3 is A268047.

Row 1 is A268069.

Row 2 is A268070.

Row 3 is A268178.