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A185769
T(n,k)=Number of (n+1)X(k+1) binary arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace
10
16, 40, 40, 104, 120, 104, 264, 368, 368, 264, 680, 1128, 1408, 1128, 680, 1736, 3456, 5272, 5272, 3456, 1736, 4456, 10592, 19992, 24832, 19992, 10592, 4456, 11400, 32456, 75192, 118248, 118248, 75192, 32456, 11400, 29224, 99464, 284256, 562800, 725352
OFFSET
1,1
COMMENTS
Table starts
....16.....40......104.......264........680.........1736..........4456
....40....120......368......1128.......3456........10592.........32456
...104....368.....1408......5272......19992........75192........284256
...264...1128.....5272.....24832.....118248.......562800.......2680000
...680...3456....19992....118248.....725352......4430912......27172072
..1736..10592....75192....562800....4430912.....35108016.....278758936
..4456..32456...284256...2680000...27172072....278758936....2886249088
.11400..99464..1071200..12760448..166155112...2212654240...29857704328
.29224.304792..4044648..60758008.1017804600..17567479016..309306410040
.74824.934032.15253448.289298976.6228062600.139478572544.3201277096848
LINKS
EXAMPLE
Some solutions for 4X3
..0..1..1....0..0..0....0..1..0....0..1..0....0..1..1....0..0..0....1..0..0
..1..0..1....0..1..0....0..1..1....1..0..1....1..0..0....0..0..1....0..1..1
..0..0..0....1..0..1....0..0..0....1..1..0....0..1..0....0..1..0....1..0..1
..0..0..1....0..1..1....0..1..0....0..0..1....0..0..1....1..0..1....1..1..0
CROSSREFS
Sequence in context: A205072 A185798 A253698 * A205255 A176869 A132161
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 03 2011
STATUS
approved