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A180990
Number of (n+1)xn binary matrices with rows and then columns in strictly increasing order as binary numbers
0
0, 0, 1, 19, 721, 67264, 16731459, 11654912023, 23649647075402, 144714747782240313, 2752761136943759699903, 167080696204654407079545988, 33078287865123858428157169233610
OFFSET
1,4
COMMENTS
Subdiagonal 1 of A180989
EXAMPLE
All solutions for 4X3
..0..1..1
..1..0..0
..1..0..1
..1..1..0
CROSSREFS
Sequence in context: A344131 A078986 A364299 * A041687 A041684 A157165
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 30 2010
STATUS
approved