A241282 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.

15, 35, 934, 16843, 451318, 15616828, 730435588, 40083129145, 2390612565177, 147969997624544

Offset: 1

Author

R. H. Hardin, Apr 18 2014

Keywords

• nonn

Comments

Column 6 of A241283

Examples

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