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A204538
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T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly two ways, and new values 0..3 introduced in row major order
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5
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660, 9043, 9043, 132993, 212290, 132993, 1303179, 5430396, 5430396, 1303179, 16041873, 87110239, 271257261, 87110239, 16041873, 207574351, 1851793487, 6010070946, 6010070946, 1851793487, 207574351, 2345643287, 42694542185
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OFFSET
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1,1
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COMMENTS
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Table starts
.........660.........9043.........132993.......1303179......16041873
........9043.......212290........5430396......87110239....1851793487
......132993......5430396......271257261....6010070946..223736066952
.....1303179.....87110239.....6010070946..175609133220.9923132759682
....16041873...1851793487...223736066952.9923132759682
...207574351..42694542185.10108774450967
..2345643287.825548834273
.28467730050
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LINKS
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EXAMPLE
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Some solutions for n=3 k=3
..0..0..1..2..1....0..0..0..0..0....0..0..1..1..0....0..0..0..0..1
..3..0..3..3..3....0..0..0..0..0....0..0..2..3..0....1..1..0..0..2
..2..0..0..0..0....1..1..2..1..1....1..0..0..0..0....1..2..0..3..0
..0..0..0..3..2....2..2..2..2..2....1..0..0..1..0....0..0..0..0..0
..2..2..2..2..2....3..2..2..3..3....1..2..0..2..2....0..2..0..3..2
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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