A197398 Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,1,1,1 for x=0,1,2,3,4

1, 33, 257, 2571, 19603, 159463, 1353761, 11871747, 99322949, 832736311, 7100237801, 60485596877, 511509684117, 4330650440271, 36779000662959, 312087013491651, 2645221650088423, 22429333082583617, 190276664212068839

Offset

1,2

Comments

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

Column 5 of A197401

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

Crossrefs

Sequence in context: A184059 A197347 A344524 * A061223 A119782 A252978

Adjacent sequences: A197395 A197396 A197397 * A197399 A197400 A197401

Keyword

nonn

Author

R. H. Hardin Oct 14 2011

Status

approved