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A202711
Number of n X n 0..1 arrays with row sums equal and no column sum equal to the previous
0
2, 2, 38, 838, 75302, 27842760, 37121438930, 192513188823366
OFFSET
1,1
COMMENTS
Column 1 of A202714
EXAMPLE
Some solutions for n=5
..0..1..0..1..1....1..1..0..1..0....1..0..1..0..0....1..0..1..0..0
..1..1..0..1..0....1..1..0..1..0....0..1..0..1..0....0..1..0..0..1
..0..0..1..1..1....1..1..0..0..1....1..0..1..0..0....0..1..0..0..1
..1..0..1..0..1....0..1..1..0..1....0..1..1..0..0....0..1..1..0..0
..1..0..1..1..0....1..1..0..0..1....1..0..0..1..0....0..0..0..1..1
CROSSREFS
Sequence in context: A059523 A038623 A001121 * A222668 A210246 A116567
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 23 2011
STATUS
approved