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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 (list; table; graph; refs; listen; history; text; internal format)
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

R. H. Hardin, Table of n, a(n) for n=1..220

EXAMPLE

All solutions for 3X3

..0..0..1

..0..1..0

..1..0..0

CROSSREFS

Sequence in context: A319625 A169585 A045840 * A061853 A010104 A282673

Adjacent sequences:  A180997 A180998 A180999 * A181001 A181002 A181003

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Sep 30 2010

STATUS

approved

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Last modified February 23 02:29 EST 2019. Contains 320411 sequences. (Running on oeis4.)