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A181266
T(n,k)=Number of nXk binary matrices M with rows in strictly increasing order and rows of M*Mtranspose (mod 2) in strictly increasing order
8
2, 4, 1, 8, 2, 0, 16, 11, 0, 0, 32, 44, 6, 0, 0, 64, 188, 87, 4, 0, 0, 128, 752, 730, 111, 1, 0, 0, 256, 3056, 6236, 1793, 66, 0, 0, 0, 512, 12224, 49400, 32124, 2607, 24, 0, 0, 0, 1024, 49088, 398032, 513260, 108161, 2575, 5, 0, 0, 0, 2048, 196352, 3162528, 8397376
OFFSET
1,1
COMMENTS
Table starts
.2.4..8..16...32.....64.......128........256.........512.........1024
.1.2.11..44..188....752......3056......12224.......49088.......196352
.0.0..6..87..730...6236.....49400.....398032.....3162528.....25293504
.0.0..4.111.1793..32124....513260....8397376...133979600...2151884352
.0.0..1..66.2607.108161...3610319..120854852..3883975540.125298805600
.0.0..0..24.2575.256746..17946611.1225897310.79509209528.............
.0.0..0...5.1790.428573..63961223.9014442178.........................
.0.0..0...1..896.520349.167427191....................................
.0.0..0...0..296.480849..............................................
.0.0..0...0...55.....................................................
LINKS
CROSSREFS
Sequence in context: A204182 A103324 A221073 * A302192 A087060 A248112
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Oct 10 2010
STATUS
approved