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A185777
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock sum equal to any horizontal or vertical neighbor 2X2 subblock sum
8
81, 558, 558, 3844, 7074, 3844, 26784, 89118, 89118, 26784, 186624, 1151346, 2046098, 1151346, 186624, 1296000, 14837270, 48744342, 48744342, 14837270, 1296000, 9000000, 190416934, 1154712762, 2171002788, 1154712762, 190416934
OFFSET
1,1
COMMENTS
Table starts
.........81..........558...........3844...........26784..........186624
........558.........7074..........89118.........1151346........14837270
.......3844........89118........2046098........48744342......1154712762
......26784......1151346.......48744342......2171002788.....95851024672
.....186624.....14837270.....1154712762.....95851024672...7861640359954
....1296000....190416934....27239862108...4212755548948.641850855452998
....9000000...2442333998...641595944400.184696487434352
...62568000..31384892214.15156754839024
..434972736.403218559222
.3022785216
LINKS
EXAMPLE
Some solutions for 4X3
..1..2..0....0..2..1....1..1..1....0..2..1....0..0..1....1..2..0....2..2..0
..2..0..1....0..1..1....0..2..1....0..2..2....1..1..2....0..0..0....0..0..1
..1..0..1....0..0..2....0..0..0....0..0..0....0..2..1....1..0..0....2..1..0
..2..2..0....0..0..1....2..1..0....2..2..0....0..1..0....1..1..1....1..2..0
CROSSREFS
Sequence in context: A186528 A253294 A253164 * A253482 A186141 A185771
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 03 2011
STATUS
approved