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A210390
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having one, two or three distinct clockwise edge differences
9
73, 597, 597, 4881, 13399, 4881, 39909, 300653, 300653, 39909, 326313, 6747079, 18515113, 6747079, 326313, 2668077, 151416037, 1140445889, 1140445889, 151416037, 2668077, 21815361, 3398046223, 70247824293, 192819707871
OFFSET
1,1
COMMENTS
Table starts
........73...........597..............4881.................39909
.......597.........13399............300653...............6747079
......4881........300653..........18515113............1140445889
.....39909.......6747079........1140445889..........192819707871
....326313.....151416037.......70247824293........32601836961677
...2668077....3398046223.....4327063104645......5512336193872815
..21815361...76258263901...266534819947777....932029892451556289
.178371909.1711372650743.16417791900623325.157588340458153024619
LINKS
EXAMPLE
Some solutions for n=4 k=3
..2..0..1..2....1..0..2..0....0..1..0..2....0..1..2..0....0..0..2..0
..0..2..1..0....1..0..0..0....2..2..0..1....1..2..2..0....0..2..2..2
..2..2..2..1....2..1..0..0....2..0..2..1....0..1..1..0....1..1..0..2
..2..2..1..2....2..0..0..0....2..1..1..1....0..1..2..1....2..0..1..1
..0..2..2..2....2..0..0..1....1..2..2..2....2..2..1..0....1..0..0..2
CROSSREFS
Sequence in context: A077722 A235465 A201263 * A210383 A142675 A167187
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 20 2012
STATUS
approved