A197406 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,1,1 for x=0,1,2,3,4

9, 227, 1626, 25621, 356211, 4499426, 60334353, 801294395, 10631272297, 141478252511, 1877225887699, 24928405579380, 331380977085358, 4402455983432465, 58475570189400714, 776864156510384965

Offset

1,1

Comments

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

Column 5 of A197409

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions containing all values 0 to 4 for n=4
..1..0..2..1..0....2..1..1..0..0....0..2..1..2..0....1..0..1..3..1
..2..0..1..4..1....1..0..1..1..1....1..1..0..1..2....2..1..4..1..0
..1..2..3..1..1....2..1..4..1..3....3..1..1..4..1....0..1..1..1..2
..0..1..1..0..0....0..2..1..0..1....1..0..1..1..0....1..1..0..0..1

Crossrefs

Sequence in context: A211048 A327146 A158728 * A197428 A295941 A247019

Adjacent sequences: A197403 A197404 A197405 * A197407 A197408 A197409

Keyword

nonn

Author

R. H. Hardin Oct 14 2011

Status

approved