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A198624
Number of nX5 0..5 arrays with values 0..5 introduced in row major order and each element equal to at least one horizontal or vertical neighbor
0
3, 488, 98330, 38208073, 18048413395, 9630271257812, 5291151764465150, 2951559987278650909, 1652290176778975311860
OFFSET
1,1
COMMENTS
Column 5 of A198627
EXAMPLE
Some solutions for n=4
..0..0..0..1..1....0..0..1..1..1....0..0..1..1..1....0..0..1..1..2
..0..0..0..0..0....0..0..1..1..1....0..0..2..1..0....0..0..1..1..2
..0..2..2..0..3....0..2..2..3..2....0..3..2..1..0....0..0..0..1..3
..0..0..2..0..3....0..0..2..3..2....0..3..1..1..0....0..0..4..4..3
CROSSREFS
Sequence in context: A241977 A045616 A198705 * A198652 A198659 A142801
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 27 2011
STATUS
approved