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A198720
Number of nX5 0..6 arrays with values 0..6 introduced in row major order and no element equal to any horizontal or vertical neighbor
2
15, 10507, 34003792, 141168480719, 601755060211186, 2572072097029554676, 10996875674843226590993, 47018449018254334323435148, 201033586140960282012089201427, 859545914195473034723104861028749
OFFSET
1,1
COMMENTS
Column 5 of A198723
LINKS
EXAMPLE
Some solutions with all values 0 to 6 for n=3
..0..1..2..1..3....0..1..2..3..4....0..1..0..2..3....0..1..2..3..4
..1..0..4..0..5....1..0..1..5..1....1..0..4..5..6....1..0..3..5..3
..0..2..0..6..1....0..6..0..4..0....0..3..0..4..0....0..4..5..6..0
CROSSREFS
Sequence in context: A200794 A230173 A271403 * A140285 A208401 A198911
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 29 2011
STATUS
approved