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A183845
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T(n,k)=Number of (n+1)X(k+1) binary arrays with each element of every 2X2 subblock being the sum mod 2 of two others
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9
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11, 31, 31, 88, 129, 88, 251, 542, 542, 251, 717, 2297, 3357, 2297, 717, 2050, 9747, 21068, 21068, 9747, 2050, 5863, 41430, 132152, 197133, 132152, 41430, 5863, 16771, 176119, 831331, 1839599, 1839599, 831331, 176119, 16771, 47976, 748937, 5226955
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OFFSET
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1,1
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COMMENTS
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Table starts
.....11.......31.........88..........251............717.............2050
.....31......129........542.........2297...........9747............41430
.....88......542.......3357........21068.........132152...........831331
....251.....2297......21068.......197133........1839599.........17250758
....717.....9747.....132152......1839599.......25468475........355075734
...2050....41430.....831331.....17250758......355075734.......7377050305
...5863...176119....5226955....161545837.....4937888557.....152705583143
..16771...748937...32887826...1514840541....68813532021....3170254841114
..47976..3184790..206882773..14197275248...958037081176...65722388742561
.137247.13544009.1301662324.133112213345.13347035945673.1363817555468924
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LINKS
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EXAMPLE
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Some solutions for 4X3
..1..0..1....0..1..0....1..1..0....1..1..0....0..1..1....1..1..1....1..1..0
..1..1..1....0..1..0....0..1..1....0..1..0....1..0..0....1..0..0....0..1..0
..0..0..0....0..1..0....1..1..0....0..1..0....0..1..1....1..1..1....1..1..0
..0..0..0....1..1..0....0..0..1....1..1..1....0..1..0....0..0..0....0..1..1
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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