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A198981
Number of nX7 0..5 arrays with values 0..5 introduced in row major order and no element equal to any horizontal or vertical neighbor
1
202, 3603244, 98102456246, 2692353648978984, 73900197917712351603, 2028430770889558380053172, 55676868201599759013090066735, 1528232414884966866457407229662199
OFFSET
1,1
COMMENTS
Column 7 of A198982
EXAMPLE
Some solutions with all values from 0 to 5 for n=4
..0..1..0..1..0..1..2....0..1..0..1..0..2..0....0..1..0..1..0..2..1
..1..0..1..0..3..2..4....1..0..1..0..3..0..4....1..0..1..0..3..4..5
..0..3..0..1..0..4..0....0..3..0..1..2..4..0....0..3..0..1..0..1..4
..3..0..1..0..5..3..5....3..0..1..0..4..5..4....3..0..1..0..1..5..3
CROSSREFS
Sequence in context: A159382 A209501 A198526 * A259330 A090486 A348664
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 01 2011
STATUS
approved