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A185521 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock singular 10
31, 143, 143, 593, 1489, 593, 2553, 12361, 12361, 2553, 10847, 115979, 154561, 115979, 10847, 46303, 1058503, 2490449, 2490449, 1058503, 46303, 197329, 9856209, 35659489, 80761059, 35659489, 9856209, 197329, 841449, 91539073, 541370505 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Table starts
.......31.........143............593..............2553................10847
......143........1489..........12361............115979..............1058503
......593.......12361.........154561...........2490449.............35659489
.....2553......115979........2490449..........80761059...........2183297449
....10847.....1058503.......35659489........2183297449..........96865190255
....46303.....9856209......541370505.......65652458491........5157904182519
...197329....91539073.....7998109489.....1894624012417......249246507105681
...841449...853020411...119752453041....56140705014995....12721664424927033
..3587359..7948563615..1781802607473..1649002255383641...630667351622299519
.15295151.74110312433.26592505725449.48754926946880491.31779395697846344999
LINKS
EXAMPLE
Some solutions for 4X3
..2..1..0....0..2..1....2..0..1....0..0..0....2..0..2....1..0..1....2..0..2
..0..0..0....0..0..0....1..0..0....0..0..0....0..0..2....0..0..1....2..0..0
..2..0..1....0..0..0....1..0..0....1..0..2....0..0..1....1..0..2....0..0..1
..1..0..0....0..0..1....1..0..0....0..0..2....1..0..0....1..0..0....0..0..0
CROSSREFS
Sequence in context: A201960 A182916 A233303 * A228261 A185513 A234122
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 29 2011
STATUS
approved

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Last modified June 14 09:16 EDT 2024. Contains 373393 sequences. (Running on oeis4.)