A239998 Number of nX5 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.

6, 65, 1262, 27415, 635873, 15981219, 429788876, 12392346376, 378942837634, 12142601105289, 402528634881777, 13658205122550505, 470581987400700236, 16373110177063830815, 573193391287239428978, 20143454978776804982736

Offset: 1

Author

R. H. Hardin, Mar 30 2014

Keywords

• nonn

Comments

Column 5 of A240000

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210