A201028 Number of nX3 0..4 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

17, 41, 296, 4238, 3602, 249211, 1055902, 8657121, 141222119, 127874916, 9959532190, 42952255903, 362588593757, 6102371958391, 5510612701449, 446546458762938, 1940123176320382, 16627869936250796, 282670200216013184

Offset: 1

Author

R. H. Hardin Nov 26 2011

Keywords

• nonn

Comments

Column 3 of A201033

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..20