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A181000
T(n,k)=number of nXk binary matrices with rows and columns each in strictly increasing order as binary numbers and each row and column having an odd number of 1s
4
1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 21, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, 613, 127, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 211, 16610, 58894, 16610, 211, 0, 0, 0, 0, 0, 0, 0, 0, 0
OFFSET
1,25
COMMENTS
Table starts
.1.0.0.0...0......0.......0..........0...........0..............0
.0.1.0.0...0......0.......0..........0...........0..............0
.0.0.1.0...0......0.......0..........0...........0..............0
.0.0.0.3...0......2.......0..........0...........0..............0
.0.0.0.0..21......0.....127..........0.........211..............0
.0.0.0.2...0....613.......0......16610...........0.........173337
.0.0.0.0.127......0...58894..........0.....5724089..............0
.0.0.0.0...0..16610.......0...17001258...........0.....5560851506
.0.0.0.0.211......0.5724089..........0.14824281524..............0
.0.0.0.0...0.173337.......0.5560851506...........0.39871721434052
LINKS
EXAMPLE
All solutions for 3X3
..0..0..1
..0..1..0
..1..0..0
CROSSREFS
Sequence in context: A307802 A169585 A045840 * A335453 A061853 A010104
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Sep 30 2010
STATUS
approved