A196135 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,3,4 for x=0,1,2,3,4

1, 14, 31, 165, 326, 1350, 3288, 12943, 33772, 113604, 328378, 1119797, 3245707, 10352649, 31244339, 100779085, 304866170, 952470015, 2927610616, 9231448285, 28362649959, 88098662332, 272473939620, 851211806848, 2631049299378

Offset

1,2

Comments

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

Column 5 of A196138

Links

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

Example

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

Crossrefs

Sequence in context: A367950 A156203 A338389 * A276301 A101183 A101444

Adjacent sequences: A196132 A196133 A196134 * A196136 A196137 A196138

Keyword

nonn

Author

R. H. Hardin Sep 28 2011

Status

approved