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A181274
T(n,k)=Number of nXk binary matrices M with rows in strictly increasing order and rows of M*Mtranspose (mod 2) in strictly decreasing order
8
2, 4, 0, 8, 3, 0, 16, 11, 0, 0, 32, 48, 9, 0, 0, 64, 188, 79, 0, 0, 0, 128, 768, 766, 58, 0, 0, 0, 256, 3056, 6060, 1629, 13, 0, 0, 0, 512, 12288, 49928, 28924, 1991, 3, 0, 0, 0, 1024, 49088, 395024, 507052, 87873, 1420, 0, 0, 0, 0, 2048, 196608, 3170784, 8211776
OFFSET
1,1
COMMENTS
Table starts
.2.4..8.16...32.....64.......128........256.........512.........1024
.0.3.11.48..188....768......3056......12288.......49088.......196608
.0.0..9.79..766...6060.....49928.....395024.....3170784.....25244608
.0.0..0.58.1629..28924....507052....8211776...133693904...2140571200
.0.0..0.13.1991..87873...3409059..115127924..3829185508.123796928928
.0.0..0..3.1420.177193..15691171.1126220822.76961864884.............
.0.0..0..0..592.233363..50841045.7892201343.........................
.0.0..0..0..120.205181.118451006....................................
.0.0..0..0...11.123441..............................................
.0.0..0..0....0.....................................................
LINKS
CROSSREFS
Sequence in context: A208745 A137511 A011166 * A115341 A368609 A101160
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Oct 10 2010
STATUS
approved