A197232 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,0,1,2 for x=0,1,2,3,4

5, 79, 1178, 17759, 249929, 3710070, 56349129, 835898389, 12424253226, 185170942121, 2756987019132, 41049283628808, 611224414499977, 9101497296825313, 135525785782060767, 2017991596365393605

Offset

1,1

Comments

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

Column 5 of A197235

Links

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

Example

Some solutions for n=4
..0..2..2..0..2....0..2..0..0..0....2..0..0..1..0....2..0..0..0..0
..1..0..0..0..0....0..2..0..0..0....0..1..1..3..1....0..0..1..2..0
..3..1..0..0..0....2..4..2..2..2....1..3..0..2..0....0..0..3..1..0
..1..0..0..0..2....0..2..0..0..0....0..1..0..2..0....0..0..1..0..0

Crossrefs

Sequence in context: A198010 A197747 A198152 * A152297 A366640 A244585

Adjacent sequences: A197229 A197230 A197231 * A197233 A197234 A197235

Keyword

nonn

Author

R. H. Hardin Oct 12 2011

Status

approved