A196694 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,3,0,4 for x=0,1,2,3,4

9, 299, 10548, 299031, 9357578, 279754939, 8471917814, 259951215394, 7909511305426, 240483051204609, 7323897043978887, 223005036035867054, 6789276300324773462, 206701527466790215255, 6293073883527501713425

Offset

1,1

Comments

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

Column 6 of A196696

Links

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

Example

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

Crossrefs

Sequence in context: A183549 A104775 A106663 * A196727 A197067 A348902

Adjacent sequences: A196691 A196692 A196693 * A196695 A196696 A196697

Keyword

nonn

Author

R. H. Hardin Oct 05 2011

Status

approved