A197428 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,0,1,1,1 for x=0,1,2,3,4

9, 227, 2152, 43909, 720447, 11769456, 195632425, 3187783369, 53026008675, 881220874951, 14498616415957, 239536136122464, 3969393711476942, 65665510796270903, 1084945281836331610, 17938093372334278851

Offset

1,1

Comments

Every 0 is next to 0 4'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 A197431

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
..0..1..2..0..1....1..1..0..0..1....0..2..1..0..0....1..1..3..1..0
..1..4..1..0..2....0..1..3..1..1....0..1..4..1..2....0..0..1..4..1
..3..1..4..1..1....1..4..1..1..0....1..1..1..3..1....1..1..3..1..2
..1..0..1..1..0....2..1..0..2..1....1..0..0..0..0....2..1..0..0..0

Crossrefs

Sequence in context: A327146 A158728 A197406 * A295941 A247019 A181205

Adjacent sequences: A197425 A197426 A197427 * A197429 A197430 A197431

Keyword

nonn

Author

R. H. Hardin Oct 14 2011

Status

approved