A196587 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,0,1,4 for x=0,1,2,3,4

5, 203, 4078, 79091, 1522940, 29573040, 578185580, 11258527547, 219297645143, 4274120207800, 83275132187687, 1622565925016744, 31616114007093818, 616031527790536102, 12003229599915611115, 233881266610307631641

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

Column 5 of A196590

Links

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

Example

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

Crossrefs

Sequence in context: A093976 A337579 A196799 * A197044 A216615 A215923

Adjacent sequences: A196584 A196585 A196586 * A196588 A196589 A196590

Keyword

nonn

Author

R. H. Hardin Oct 04 2011

Status

approved