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A203491
T(n,k)=Number of nXk 0..2 arrays with row sums equal and column sums unequal to adjacent columns
13
3, 6, 3, 12, 10, 3, 24, 80, 36, 3, 48, 556, 624, 82, 3, 96, 3348, 9540, 3760, 256, 3, 192, 20596, 170868, 173860, 25002, 676, 3, 384, 134412, 3171708, 8518564, 3065704, 171068, 2050, 3, 768, 888232, 59683122, 442135180, 421158558, 56438584, 1107888
OFFSET
1,1
COMMENTS
Table starts
.3.....6......12.........24..........48..........96.........192........384
.3....10......80........556........3348.......20596......134412.....888232
.3....36.....624.......9540......170868.....3171708....59683122.1152091884
.3....82....3760.....173860.....8518564...442135180.24148894412
.3...256...25002....3065704...421158558.61706303456
.3...676..171068...56438584.20726134056
.3..2050.1107888.1004305424
.3..5826.7411872
.3.17568
.3
LINKS
EXAMPLE
Some solutions for n=5 k=3
..0..0..1....0..0..2....1..2..1....0..1..2....0..2..0....2..2..1....1..1..0
..0..0..1....2..0..0....2..1..1....0..1..2....0..0..2....2..1..2....1..1..0
..0..1..0....0..1..1....1..2..1....2..1..0....2..0..0....2..1..2....1..1..0
..0..0..1....2..0..0....2..1..1....1..1..1....2..0..0....1..2..2....0..0..2
..0..0..1....0..0..2....1..2..1....2..0..1....1..1..0....2..1..2....2..0..0
CROSSREFS
Diagonal is A202712
Sequence in context: A360981 A336769 A337035 * A085709 A120910 A109044
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 02 2012
STATUS
approved