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A204346
Number of (n+2)X5 0..3 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..3 introduced in row major order
1
30378276, 22275534255, 16256855591536, 11860456910608960, 8653701637919899728, 6313899655904879255175, 4606746353051274080442020, 3361172935168170742873724992, 2452378030687848539033613343420
OFFSET
1,1
COMMENTS
Column 3 of A204351
LINKS
EXAMPLE
Some solutions for n=3
..0..1..1..0..2....0..1..0..2..0....0..0..0..1..1....0..1..1..0..0
..1..1..1..0..3....3..3..0..1..3....2..2..0..1..3....0..2..0..0..2
..2..3..3..0..0....2..1..1..2..1....1..3..2..2..1....1..1..3..1..0
..2..1..3..2..0....1..0..2..0..3....3..2..2..3..2....0..1..0..2..3
..1..0..2..0..1....0..0..2..1..1....3..3..1..1..2....2..1..2..0..3
CROSSREFS
Sequence in context: A107619 A320723 A187431 * A263644 A283619 A156420
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 14 2012
STATUS
approved