A196854 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,0,2,4 for x=0,1,2,3,4

22, 1792, 56470, 2369631, 94652804, 3805929995, 152929723254, 6148984299163, 247223213832440, 9939022894905148, 399570539750626195, 16063726580619196531, 645804489432297174658, 25963059069129330544089

Offset

1,1

Comments

Every 0 is next to 0 3'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 4's

Column 6 of A196856

Links

R. H. Hardin, Table of n, a(n) for n = 1..172

Example

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

Crossrefs

Sequence in context: A277664 A199836 A196705 * A196948 A202885 A183488

Adjacent sequences: A196851 A196852 A196853 * A196855 A196856 A196857

Keyword

nonn

Author

R. H. Hardin Oct 06 2011

Status

approved