A197196 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,3,2,0 for x=0,1,2,3,4.

6, 41, 213, 1283, 7363, 42664, 247053, 1431868, 8291425, 48020216, 278171097, 1611110131, 9331719493, 54050435220, 313063366107, 1813289742008, 10502730648812, 60832658109790, 352347783107193, 2040827608413023

Offset

1,1

Comments

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

Column 5 of A197199

Links

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

Example

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

Crossrefs

Sequence in context: A291890 A217326 A196433 * A295117 A198795 A320090

Adjacent sequences: A197193 A197194 A197195 * A197197 A197198 A197199

Keyword

nonn

Author

R. H. Hardin, Oct 11 2011

Status

approved