A197454 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,2,2 for x=0,1,2,3,4

5, 57, 290, 2233, 15825, 104318, 738363, 5142371, 35673015, 248507899, 1727900136, 12019095470, 83618547829, 581654826801, 4046193710054, 28146680058973, 195796930694058, 1362027864550703, 9474705122664336, 65909095102841385

Offset

1,1

Comments

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

Column 5 of A197457

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

Crossrefs

Sequence in context: A226425 A076455 A196650 * A196340 A196319 A197304

Adjacent sequences: A197451 A197452 A197453 * A197455 A197456 A197457

Keyword

nonn

Author

R. H. Hardin Oct 15 2011

Status

approved