A196075 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,3,2,1,4 for x=0,1,2,3,4

0, 6, 6, 39, 77, 296, 931, 2638, 8969, 29941, 99585, 315727, 1074032, 3477361, 11370172, 37477271, 122469356, 399765201, 1309196450, 4286354555, 14003095258, 45836607641, 149994346388, 490592491099, 1605187568492, 5252818092741

Offset

1,2

Comments

Every 0 is next to 0 0's, every 1 is next to 1 3'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 A196078

Links

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

Example

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

Crossrefs

Sequence in context: A165424 A244957 A186982 * A156099 A278435 A279333

Adjacent sequences: A196072 A196073 A196074 * A196076 A196077 A196078

Keyword

nonn

Author

R. H. Hardin Sep 27 2011

Status

approved