A198705 Number of nX5 0..4 arrays with values 0..4 introduced in row major order and each element equal to at least one horizontal or vertical neighbor

3, 488, 95209, 30407251, 10239497407, 3588013895024, 1259339424693241, 443261846229550014, 156011269606577035531, 54921491956679070862154, 19333997309693254684034877, 6806251639074571612122108120

Offset

1,1

Comments

Column 5 of A198708

Links

R. H. Hardin, Table of n, a(n) for n = 1..19

Example

Some solutions with all values 0 to 4 for n=3
..0..1..2..0..0....0..1..2..0..0....0..0..1..2..2....0..0..0..1..1
..0..1..2..3..3....0..1..2..0..3....0..1..1..3..2....0..2..0..3..3
..3..3..4..4..4....4..4..0..0..3....4..4..4..3..2....2..2..0..4..4

Crossrefs

Sequence in context: A238447 A241977 A045616 * A198624 A198652 A198659

Adjacent sequences: A198702 A198703 A198704 * A198706 A198707 A198708

Keyword

nonn

Author

R. H. Hardin Oct 29 2011

Status

approved