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A203877
Number of (n+1)X8 0..3 arrays with no 2X2 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order
1
3188647, 4631370535, 6726865579687, 9803443695486967, 14294949784964335495, 20848169781599252276647, 30407052005824642303153447, 44349315527117554056938865367, 64684656141868016921281663326727
OFFSET
1,1
COMMENTS
Column 7 of A203878
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..1..1..0..2..3....0..1..0..2..1..0..1..0....0..0..1..0..0..1..0..2
..2..1..2..3..2..0..1..3....2..2..3..3..1..0..1..0....3..2..1..2..2..3..0..1
..2..0..0..3..1..0..2..2....0..0..1..2..1..3..1..2....0..0..3..3..1..1..2..1
..2..3..1..2..2..3..1..1....1..2..1..2..0..0..1..0....1..1..1..0..0..3..0..1
..1..3..0..0..1..3..2..3....3..2..1..2..1..3..1..3....2..0..2..2..1..1..0..2
CROSSREFS
Sequence in context: A234449 A204629 A235070 * A032783 A034638 A122034
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 07 2012
STATUS
approved