A208445 T(n,k)=Number of nXk 0..2 arrays with no element equal the average of immediate neighbors vertically above and horizontally left of it

3, 6, 6, 12, 28, 12, 24, 134, 134, 24, 48, 646, 1548, 646, 48, 96, 3118, 17992, 17992, 3118, 96, 192, 15052, 209542, 505000, 209542, 15052, 192, 384, 72662, 2440104, 14204032, 14204032, 2440104, 72662, 384, 768, 350776, 28421906, 399447742

Offset

1,1

Comments

Table starts

...3......6........12...........24..............48.................96

...6.....28.......134..........646............3118..............15052

..12....134......1548........17992..........209542............2440104

..24....646.....17992.......505000........14204032..........399447742

..48...3118....209542.....14204032.......964650992........65501464340

..96..15052...2440104....399447742.....65501464340.....10739447120572

.192..72662..28421906..11236338658...4448918847452...1761292062009546

.384.350776.331022604.316042155314.302141687342136.288825066733828150

Links

R. H. Hardin, Table of n, a(n) for n = 1..364

Example

Some solutions for n=4 k=3
..1..2..1....2..0..1....2..1..0....2..0..1....2..0..2....2..0..1....1..2..0
..2..1..2....0..1..0....0..1..1....0..1..2....1..2..1....0..1..2....2..1..1
..1..0..2....2..0..1....1..0..2....2..0..2....0..2..2....2..0..0....0..1..2
..2..2..0....0..2..2....2..2..0....0..1..1....1..0..2....1..0..1....2..1..2

Crossrefs

Column 1 is A003945

Sequence in context: A066393 A127777 A307204 * A208796 A319867 A202931

Adjacent sequences: A208442 A208443 A208444 * A208446 A208447 A208448

Keyword

nonn,tabl

Author

R. H. Hardin Feb 26 2012

Status

approved