A196482 Number of n X 5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,2,1,4 for x=0,1,2,3,4.

8, 83, 457, 4344, 40221, 374645, 3307716, 28430880, 248312071, 2192473876, 19348789798, 170510755795, 1500864452926, 13204967160428, 116225998484492, 1023302267971920, 9009586965300230, 79318454402499047, 698273303070427478

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

Column 5 of A196485.

Links

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

Example

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

Crossrefs

Cf. A196485.

Sequence in context: A068173 A069635 A069620 * A196715 A179980 A236671

Adjacent sequences: A196479 A196480 A196481 * A196483 A196484 A196485

Keyword

nonn

Author

R. H. Hardin Oct 03 2011

Status

approved