A196285 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,3,1,4 for x=0,1,2,3,4

12, 62, 259, 2998, 22971, 193137, 1306488, 10441374, 87352550, 710287441, 5397422494, 42850420911, 348219126761, 2770605337166, 21906712624064, 175575058788514, 1413026462375021, 11258561165769824, 89622355955131307

Offset

1,1

Comments

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

Column 6 of A196287

Links

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

Example

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

Crossrefs

Sequence in context: A267472 A194487 A196312 * A196335 A349159 A092224

Adjacent sequences: A196282 A196283 A196284 * A196286 A196287 A196288

Keyword

nonn

Author

R. H. Hardin Sep 30 2011

Status

approved