A208369 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 0 1 0 vertically.

2, 4, 4, 6, 16, 6, 10, 36, 36, 9, 16, 100, 114, 81, 14, 26, 256, 450, 351, 196, 21, 42, 676, 1644, 1953, 1162, 441, 31, 68, 1764, 6186, 9999, 9338, 3633, 961, 46, 110, 4624, 23010, 52821, 67396, 41433, 11067, 2116, 68, 178, 12100, 85992, 275769, 507682, 422541

Offset: 1

Author

R. H. Hardin Feb 25 2012

Keywords

• nonn
• tabl

Comments

Table starts

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

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

..6...36...114....450.....1644......6186......23010........85992........320742

..9...81...351...1953.....9999.....52821.....275769......1446381.......7572429

.14..196..1162...9338....67396....507682....3759574.....28035840.....208473118

.21..441..3633..41433...422541...4503765...47178453....497691495....5235328875

.31..961.11067.177909..2563359..38542393..570085195...8487780687..126039261499

.46.2116.33994.774134.15730896.334331082.6982331490.146860432968.3080068967794

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..760

Crossrefs

Column 1 is A038718(n+2)

Column 2 is A207069

Column 3 is A207421

Row 1 is A006355(n+2)

Row 2 is A206981

Row 3 is A207718