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A203923
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock having equal diagonal elements or equal antidiagonal elements, and new values 0..1 introduced in row major order
9
112, 392, 392, 1400, 1682, 1400, 5000, 6050, 6050, 5000, 17800, 21632, 21470, 21632, 17800, 63368, 77618, 75272, 75272, 77618, 63368, 225704, 279752, 267066, 262088, 267066, 279752, 225704, 803912, 1008200, 949442, 916658, 916658, 949442, 1008200
OFFSET
1,1
COMMENTS
Table starts
....112.....392.....1400.....5000.....17800.....63368.....225704.....803912
....392....1682.....6050....21632.....77618....279752....1008200....3628818
...1400....6050....21470....75272....267066....949442....3376768...12014802
...5000...21632....75272...262088....916658...3220722...11309768...39783200
..17800...77618...267066...916658...3191760..11082632...38569884..134316050
..63368..279752...949442..3220722..11082632..38438912..132454088..457591752
.225704.1008200..3376768.11309768..38569884.132454088..457030140.1565984648
.803912.3628818.12014802.39783200.134316050.457591752.1565984648.5384729088
LINKS
EXAMPLE
Some solutions for n=3 k=3
..0..0..1..1..1....0..0..0..0..0....0..1..1..0..0....0..1..0..1..1
..1..0..0..1..1....0..0..0..0..1....1..0..1..0..1....0..0..1..0..0
..0..0..0..0..1....1..0..0..0..1....1..1..0..1..0....1..0..0..1..0
..0..0..0..0..0....1..0..0..1..0....0..0..1..0..1....0..0..0..0..1
..1..1..0..0..0....0..0..1..0..1....0..1..1..0..0....0..1..0..0..0
CROSSREFS
Sequence in context: A233892 A233885 A235319 * A235312 A203916 A234681
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 07 2012
STATUS
approved