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A185750 T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace 10
0, 24, 24, 40, 104, 40, 144, 544, 544, 144, 344, 2568, 4056, 2568, 344, 1000, 12656, 33768, 33768, 12656, 1000, 2688, 62112, 273928, 458320, 273928, 62112, 2688, 7528, 304584, 2237680, 6315600, 6315600, 2237680, 304584, 7528, 20648, 1494072 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Table starts
.....0.......24.........40...........144.............344...............1000
....24......104........544..........2568...........12656..............62112
....40......544.......4056.........33768..........273928............2237680
...144.....2568......33768........458320.........6315600...........86568360
...344....12656.....273928.......6315600.......145680504.........3364965408
..1000....62112....2237680......86568360......3364965408.......130602553784
..2688...304584...18242392....1188841336.....77691779712......5075186680192
..7528..1494072..148782184...16318664224...1793861476320....197100662468008
.20648..7329384.1213377952..224021622784..41418279791200...7655862674452520
.57040.35956128.9895860408.3075298469624.956315991414968.297368484380040776
LINKS
EXAMPLE
Some solutions for 4X3
..1..1..0....0..1..0....1..0..1....0..0..0....1..0..0....0..0..1....0..0..1
..1..1..1....0..1..0....1..1..1....1..0..0....1..0..1....0..0..0....0..1..1
..0..1..0....1..1..1....1..1..0....1..0..0....1..1..1....0..0..1....0..0..0
..0..1..0....0..1..1....1..0..0....0..0..0....1..1..0....0..1..1....1..0..1
CROSSREFS
Sequence in context: A188311 A185497 A186939 * A040553 A183008 A022358
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 01 2011
STATUS
approved

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)