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A184564
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock summing to less than 4
10
50, 336, 336, 2167, 5736, 2167, 14180, 91157, 91157, 14180, 92429, 1486258, 3436266, 1486258, 92429, 603249, 24057629, 134840527, 134840527, 24057629, 603249, 3935721, 390354307, 5228522011, 12900566348, 5228522011, 390354307, 3935721
OFFSET
1,1
COMMENTS
Table starts
.........50............336...............2167..................14180
........336...........5736..............91157................1486258
.......2167..........91157............3436266..............134840527
......14180........1486258..........134840527............12900566348
......92429.......24057629.........5228522011..........1214657950233
.....603249......390354307.......203570564774........115000791536877
....3935721.....6329171799......7915660174974......10868641315040295
...25680486...102644935902....307926979784837....1027803541995894568
..167558680..1664547601646..11976979258313503...97176104485641628222
.1093290051.26993866274311.465872448754593695.9188347231740579769607
LINKS
EXAMPLE
Some solutions for 4X3
..0..2..2....1..2..1....2..0..1....2..2..2....1..1..0....0..1..2....0..1..0
..0..2..0....0..2..2....0..2..1....1..2..0....2..2..2....2..1..1....2..1..2
..2..2..1....2..2..0....2..0..2....2..0..2....0..2..0....2..0..2....1..2..1
..1..1..2....0..1..2....1..1..2....2..2..1....1..2..2....0..2..1....2..1..2
CROSSREFS
Sequence in context: A221572 A124809 A261803 * A184556 A373131 A334697
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 17 2011
STATUS
approved