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A184661
Number of (n+2)X4 0..3 arrays with each 3X3 subblock singular
1
1352770, 119805310, 10047874534, 564143008386, 42151760266070, 3068818942252922, 213876509386388262, 15511761707358612866, 1118945141084512520558, 80408360347124360370778
OFFSET
1,1
COMMENTS
Column 2 of A184663
LINKS
EXAMPLE
Some solutions for 5X4
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..0..0....1..0..0..0....2..0..0..0....0..0..0..0....0..0..0..0
..2..0..0..3....1..1..2..0....2..0..0..1....1..1..0..2....1..3..3..0
..2..1..0..0....1..0..0..3....0..3..1..0....3..3..1..3....1..0..2..3
CROSSREFS
Sequence in context: A157854 A234727 A067516 * A187961 A120609 A094914
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 19 2011
STATUS
approved