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A188413
Number of (6*n) X 6 binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row.
0
166, 17443, 968230, 33313408, 793369090, 14100262412, 197263686098, 2259540285524, 21835069296894, 182229535192536
OFFSET
1,1
COMMENTS
Column 6 of A188416.
EXAMPLE
Some solutions for 12 X 6
..1..1..0..0..0..0....1..0..0..0..0..0....1..1..0..0..0..0....1..0..0..0..0..0
..1..0..0..1..1..0....1..0..0..0..0..0....1..0..0..0..0..0....1..0..0..0..0..0
..0..1..1..0..0..0....0..1..1..0..1..0....0..1..0..1..0..1....0..1..0..0..0..1
..0..0..1..0..0..0....0..1..0..1..0..1....0..0..1..0..1..1....0..1..0..0..0..0
..0..0..0..1..0..1....0..0..1..0..1..0....0..0..1..0..1..0....0..0..1..1..0..0
..0..0..0..0..1..0....0..0..0..1..0..0....0..0..0..1..0..0....0..0..1..0..1..0
..0..0..0..0..0..1....0..0..0..0..0..1....0..0..0..0..0..0....0..0..0..1..0..1
..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..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..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....0..0..0..0..0..0
CROSSREFS
Cf. A188416.
Sequence in context: A144380 A204963 A011815 * A144929 A281934 A212325
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 30 2011
STATUS
approved