A187645 T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock having sum 9.

3139, 17701, 17701, 101419, 79259, 101419, 596653, 363533, 363533, 596653, 3703651, 1747075, 1342083, 1747075, 3703651, 23126677, 9368309, 5273797, 5273797, 9368309, 23126677, 145502251, 51019403, 24351579, 17048731, 24351579

Offset: 1

Author

R. H. Hardin Mar 12 2011

Keywords

• nonn
• tabl

Comments

Table starts

.......3139......17701....101419....596653...3703651..23126677..145502251

......17701......79259....363533...1747075...9368309..51019403..283738813

.....101419.....363533...1342083...5273797..24351579.115259453..564564211

.....596653....1747075...5273797..17048731..67476109.275808307.1180360357

....3703651....9368309..24351579..67476109.234213387

...23126677...51019403.115259453.275808307

..145502251..283738813.564564211

..935121589.1661843915

.6025592131

Examples

			Some solutions for 5X4
..0..1..1..0....0..2..1..0....0..1..2..1....0..2..0..0....0..0..2..2
..0..2..0..1....0..1..1..0....2..0..0..1....0..2..0..2....1..1..2..1
..2..1..2..1....2..1..1..2....1..1..2..1....2..1..2..0....2..0..1..0
..1..1..0..1....1..1..1..1....1..0..2..2....1..0..1..1....0..0..2..2
..0..1..1..1....0..2..0..0....1..1..0..0....0..2..0..2....0..2..2..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..49