A196947 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,0,2,3 for x=0,1,2,3,4.

12, 496, 9199, 220433, 5039158, 115982718, 2668162530, 61397041229, 1412800280934, 32510004942226, 748093522890152, 17214334321208207, 396117368115901278, 9115043080958159524, 209745995599652637243

Offset: 1

Author

R. H. Hardin Oct 08 2011

Keywords

• nonn

Comments

Every 0 is next to 0 4's, every 1 is next to 1 1's, every 2 is next to 2 0's, every 3 is next to 3 2's, every 4 is next to 4 3's

Column 5 of A196950

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..200