A204056 T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..3 introduced in row major order

1379, 10447, 10447, 80391, 112362, 80391, 622031, 756338, 756338, 622031, 4823759, 5883499, 5257444, 5883499, 4823759, 37451727, 45689226, 39646479, 39646479, 45689226, 37451727, 290942303, 361569647, 315429190, 316144367, 315429190

Offset

1,1

Comments

Table starts

.......1379.......10447........80391........622031.......4823759.......37451727

......10447......112362.......756338.......5883499......45689226......361569647

......80391......756338......5257444......39646479.....315429190.....2404876738

.....622031.....5883499.....39646479.....316144367....2336174650....18005605178

....4823759....45689226....315429190....2336174650...18962117027...135508809479

...37451727...361569647...2404876738...18005605178..135508809479..1065898305547

..290942303..2777961511..18455232523..133138952807.1017086083917..7515064468455

.2260735279.21501371450.141708188218.1021696725403.7592417722506.56550046316647

Links

R. H. Hardin, Table of n, a(n) for n = 1..197

Example

Some solutions for n=3 k=3
..0..0..1..1..0....0..0..0..0..0....0..1..0..1..0....0..0..1..0..0
..0..0..0..0..0....0..0..0..0..0....0..0..1..0..0....0..0..0..0..0
..0..0..0..0..0....1..0..0..0..2....2..0..0..1..1....0..0..0..0..0
..0..0..0..0..1....0..0..0..0..1....1..0..0..0..1....2..0..0..0..3
..1..0..0..0..1....0..0..3..1..0....0..0..3..0..0....3..2..0..0..3

Crossrefs

Sequence in context: A256627 A260368 A323814 * A204049 A204048 A209791

Adjacent sequences: A204053 A204054 A204055 * A204057 A204058 A204059

Keyword

nonn,tabl

Author

R. H. Hardin Jan 09 2012

Status

approved