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A202714
T(n,k)=Number of n X n 0..k arrays with row sums equal and no column sum equal to the previous
5
2, 3, 2, 4, 10, 38, 5, 28, 624, 838, 6, 60, 4740, 173860, 75302, 7, 110, 23036, 7788648, 421158558, 27842760, 8, 182, 83994, 147823100, 189412482924, 8496020082856, 37121438930, 9, 280, 250668, 1631287078
OFFSET
1,1
COMMENTS
Table starts
...........2.............3............4.........5..........6......7...8.9
...........2............10...........28........60........110....182.280
..........38...........624.........4740.....23036......83994.250668
.........838........173860......7788648.147823100.1631287078
.......75302.....421158558.189412482924
....27842760.8496020082856
.37121438930
EXAMPLE
Some solutions for n=3 k=3
..1..2..2....0..3..3....2..0..3....0..1..2....3..2..2....0..0..3....2..2..1
..3..1..1....3..0..3....3..2..0....0..0..3....3..3..1....0..0..3....1..3..1
..1..1..3....2..3..1....3..0..2....0..3..0....3..2..2....1..2..0....2..3..0
CROSSREFS
Row 2 is A006331
Sequence in context: A127157 A236406 A247497 * A022662 A295703 A059051
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 23 2011
STATUS
approved