A240289 Number of 6 X n 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.

10, 251, 5443, 218658, 5646644, 281488213, 8597299482, 500877279597, 17050417858056, 1080907153540112, 38722390548732389, 2543690845510555315, 92980052380043106702, 6189999145510145997607, 227935320097083755541303

Offset: 1

Author

R. H. Hardin, Apr 03 2014

Keywords

• nonn

Comments

Row 6 of A240284.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..54

Crossrefs

Cf. A240284.