A268102 Number of nX4 0..4 arrays with every repeated value in every row and column greater than or equal to the previous repeated value.

615, 378225, 232608375, 134114290153, 74223748225767, 39628019998736362, 20521193142295758827, 10349487304333681128069, 5100109128493173791160887, 2462335083143368720711957677, 1167299758811224888022222919608

Offset: 1

Author

R. H. Hardin, Jan 26 2016

Keywords

• nonn

Comments

Column 4 of A268103.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..16

Crossrefs

Cf. A268103.