A207845 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 1 1 vertically.

2, 4, 4, 6, 16, 6, 10, 36, 36, 10, 16, 100, 72, 100, 16, 26, 256, 180, 240, 256, 26, 42, 676, 432, 780, 704, 676, 42, 68, 1764, 1044, 2320, 2816, 2080, 1764, 68, 110, 4624, 2520, 7140, 10144, 9672, 6216, 4624, 110, 178, 12100, 6084, 21600, 38208, 41444, 35952

Offset: 1

Author

R. H. Hardin Feb 21 2012

Keywords

• nonn
• tabl

Comments

Table starts

..2....4.....6.....10.....16......26.......42........68........110.........178

..4...16....36....100....256.....676.....1764......4624......12100.......31684

..6...36....72....180....432....1044.....2520......6084......14688.......35460

.10..100...240....780...2320....7140....21600.....65980.....200400......610740

.16..256...704...2816..10144...38208...140032....524480....1928000.....7206080

.26..676..2080...9672..41444..181896...794768...3479268...15223104....66632488

.42.1764..6216..35952.185136.1006572..5346600..28935984..154692048...835671396

.68.4624.18496.130152.813824.5427216.35345040.235865752.1547212432.10330674512

Examples

			Some solutions for n=4 k=3
..1..0..0....1..1..1....1..1..1....1..0..1....1..0..1....1..1..1....1..0..1
..0..1..1....1..0..1....1..0..1....0..1..0....1..0..1....1..0..1....1..0..0
..0..1..0....0..1..0....0..1..0....1..0..0....0..1..0....0..1..0....0..1..1
..1..0..1....0..1..1....1..1..1....0..1..1....1..0..0....0..1..0....0..1..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..763

Crossrefs

Column 1 is A006355(n+2)

Column 2 is A206981

Row 1 is A006355(n+2)

Row 2 is A206981