A202634 Number of nX4 0..3 arrays with adjacent row and column sums unequal.

108, 32676, 8196796, 1960824272, 459796683544, 106682611433736, 24584277764975388, 5638735096577721148, 1289001492923309570328, 293932444114275034112864

Offset: 1

Author

R. H. Hardin Dec 21 2011

Keywords

• nonn

Comments

Column 4 of A202636

Examples

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