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

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

R. H. Hardin, Table of n, a(n) for n = 1..312

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

Adjacent sequences: A210387 A210388 A210389 * A210391 A210392 A210393

Keyword

nonn,tabl

Author

R. H. Hardin Mar 20 2012

Status

approved