login
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
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 A373996 A183008
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 01 2011
STATUS
approved