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A188423
Number of (8*n)Xn binary arrays with rows in nonincreasing order, 8 ones in every column and no more than 3 ones in any row
0
1, 9, 625, 256901, 434626896, 2259540285524
OFFSET
1,2
COMMENTS
Row 8 of A188416
EXAMPLE
All solutions for 16X2
..1..1....1..1....1..1....1..1....1..1....1..1....1..0....1..1....1..1
..1..1....1..1....1..1....1..1....1..0....1..1....1..0....1..1....1..1
..1..1....1..1....1..1....1..0....1..0....1..1....1..0....1..1....1..1
..1..1....1..0....1..1....1..0....1..0....1..1....1..0....1..1....1..1
..1..1....1..0....1..1....1..0....1..0....1..1....1..0....1..1....1..0
..1..1....1..0....1..0....1..0....1..0....1..1....1..0....1..1....1..0
..1..1....1..0....1..0....1..0....1..0....1..1....1..0....1..0....1..0
..1..1....1..0....1..0....1..0....1..0....1..0....1..0....1..0....1..0
..0..0....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1
..0..0....0..1....0..1....0..1....0..1....0..0....0..1....0..1....0..1
..0..0....0..1....0..1....0..1....0..1....0..0....0..1....0..0....0..1
..0..0....0..1....0..0....0..1....0..1....0..0....0..1....0..0....0..1
..0..0....0..1....0..0....0..1....0..1....0..0....0..1....0..0....0..0
..0..0....0..0....0..0....0..1....0..1....0..0....0..1....0..0....0..0
..0..0....0..0....0..0....0..0....0..1....0..0....0..1....0..0....0..0
..0..0....0..0....0..0....0..0....0..0....0..0....0..1....0..0....0..0
CROSSREFS
Sequence in context: A171703 A352276 A085530 * A158881 A188394 A157597
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 30 2011
STATUS
approved