A201450 Number of n X 7 0..3 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.

4, 110, 844, 1720, 45532, 363693, 1129682, 1136762, 16354832, 80822317, 164740812, 118019739, 1269643884, 4872612379, 7910355612, 4617454222, 41308142036, 133824389250, 186755344178, 94854691897, 750329582592, 2169912953058

Offset: 1

Author

R. H. Hardin, Dec 01 2011

Keywords

• nonn

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..32

Crossrefs

Column 7 of A201451.