A197164 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,4,0 for x=0,1,2,3,4

4, 104, 1489, 21826, 331406, 5021137, 76504483, 1160102790, 17605551567, 267441999728, 4060960996702, 61654151235887, 936161404082139, 14215009257449597, 215837797323357413, 3277242369403821064

Offset

1,1

Comments

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

Column 5 of A197167

Links

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

Example

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

Crossrefs

Sequence in context: A181396 A354063 A196979 * A303135 A326284 A302733

Adjacent sequences: A197161 A197162 A197163 * A197165 A197166 A197167

Keyword

nonn

Author

R. H. Hardin Oct 10 2011

Status

approved