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A183698
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T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock nonsingular
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10
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50, 314, 314, 1970, 4594, 1970, 12362, 66658, 66658, 12362, 77570, 969978, 2235330, 969978, 77570, 486746, 14100346, 75166498, 75166498, 14100346, 486746, 3054290, 205047906, 2525447442, 5848268518, 2525447442, 205047906, 3054290, 19165418
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OFFSET
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1,1
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COMMENTS
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Table starts
........50...........314...............1970..................12362
.......314..........4594..............66658.................969978
......1970.........66658............2235330...............75166498
.....12362........969978...........75166498.............5848268518
.....77570......14100346.........2525447442...........454422625582
....486746.....205047906........84872526674.........35325040673626
...3054290....2981428242......2852069116186.......2745624826054514
..19165418...43352455562.....95843840904146.....213413389362873662
.120261410..630370287594...3220808030907306...16588019956268604926
.754630394.9166011482354.108234716039535994.1289347795300644331026
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LINKS
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EXAMPLE
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Some solutions for 4X3
..0..2..1....2..0..2....1..2..0....2..1..2....1..2..2....0..2..2....1..0..2
..2..1..1....1..1..1....1..0..1....0..2..2....1..0..1....2..2..1....2..2..0
..2..0..2....1..0..1....2..2..1....1..2..1....0..2..1....2..0..1....2..0..1
..2..1..2....2..1..2....2..1..0....1..1..0....2..1..2....0..2..0....0..2..2
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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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