A196327 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,0,4,2 for x=0,1,2,3,4

8, 98, 573, 3932, 27396, 187787, 1281418, 8817196, 60491511, 414940896, 2848205472, 19543560677, 134109690174, 920301435092, 6315269717345, 43336595756322, 297384592540278, 2040711880508497, 14003768336412308

Offset

1,1

Comments

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

Column 6 of A196329

Links

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

Example

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

Crossrefs

Sequence in context: A302727 A116267 A183334 * A116130 A302527 A303409

Adjacent sequences: A196324 A196325 A196326 * A196328 A196329 A196330

Keyword

nonn

Author

R. H. Hardin Oct 01 2011

Status

approved