login
A205352
T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..3 introduced in row major order.
7
15, 110, 110, 1024, 1750, 1024, 9894, 30904, 30904, 9894, 96288, 544616, 1080457, 544616, 96288, 937926, 9559986, 36759026, 36759026, 9559986, 937926, 9140400, 168343322, 1257218433, 2423004172, 1257218433, 168343322, 9140400, 89074638
OFFSET
1,1
COMMENTS
Table starts
.......15.........110..........1024...........9894..........96288
......110........1750.........30904.........544616........9559986
.....1024.......30904.......1080457.......36759026.....1257218433
.....9894......544616......36759026.....2423004172...161391622662
....96288.....9559986....1257218433...161391622662.21200252524407
...937926...168343322...43053361050.10806656599274
..9140400..2962323362.1474675468656
.89074638.52122083398
LINKS
EXAMPLE
Some solutions for n=4 k=3
..0..0..0..0....0..0..0..0....0..1..0..2....0..0..1..0....0..0..1..1
..0..0..1..2....1..1..2..2....1..1..2..1....0..1..0..0....2..1..1..1
..1..0..2..3....1..1..2..2....1..1..2..0....1..2..0..0....1..3..2..1
..1..3..0..3....0..0..3..0....3..1..3..1....3..2..2..1....1..0..3..1
..1..3..1..2....0..0..1..2....2..1..3..0....1..3..1..1....1..1..3..3
CROSSREFS
Sequence in context: A232117 A232197 A347500 * A055504 A374978 A060931
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 26 2012
STATUS
approved