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A209526
Number of nX7 0..7 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..7 introduced in row major order
0
877, 4054358, 71519658191, 2002617518101082, 64398780661554524050, 2141993311657850070458667
OFFSET
1,1
COMMENTS
Column 7 of A209527
EXAMPLE
Some solutions for n=5
..0..0..0..0..0..1..0....0..0..0..0..0..0..0....0..0..0..0..1..2..0
..1..2..1..2..1..2..0....1..2..1..3..1..2..1....1..2..1..3..1..4..4
..1..3..2..4..2..0..1....2..3..3..0..0..0..0....0..0..2..1..4..2..0
..4..1..1..2..0..3..3....0..0..1..1..2..3..1....2..3..0..2..2..0..1
..0..0..2..3..3..2..0....1..4..0..2..0..2..2....1..2..2..1..3..0..3
CROSSREFS
Sequence in context: A273657 A188391 A209464 * A208307 A208787 A208587
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 10 2012
STATUS
approved