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A203252
T(n,k)=Number of nXk 0..3 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other
4
4, 16, 16, 48, 88, 48, 116, 12, 12, 116, 220, 776, 680, 776, 220, 288, 760, 18440, 18440, 760, 288, 232, 16104, 62512, 753168, 62512, 16104, 232, 96, 120260, 1282126, 50071584, 50071584, 1282126, 120260, 96, 1520, 287100, 178938580
OFFSET
1,1
COMMENTS
Table starts
...4.....16......48......116......220.....288.......232.....96.1520
..16.....88......12......776......760...16104....120260.287100
..48.....12.....680....18440....62512.1282126.178938580
.116....776...18440...753168.50071584
.220....760...62512.50071584
.288..16104.1282126
.232.120260
..96
EXAMPLE
Some solutions for n=3 k=3
..3..2..3....0..1..0....3..0..0....3..2..3....3..3..3....0..3..3....0..3..2
..0..0..3....3..2..0....3..0..2....1..1..3....2..1..1....2..3..1....0..3..2
..0..1..1....3..2..2....3..1..3....1..0..0....0..0..0....0..0..0....1..1..0
CROSSREFS
Sequence in context: A223406 A366683 A075382 * A224064 A224050 A224281
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 30 2011
STATUS
approved