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A209593
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T(n,k)=Number of n X n 0..k arrays with every element equal to a diagonal or antidiagonal reflection
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14
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2, 3, 16, 4, 81, 192, 5, 256, 3645, 9216, 6, 625, 28672, 1476225, 663552, 7, 1296, 140625, 51380224, 996451875, 191102976, 8, 2401, 513216, 791015625, 161128382464, 6053445140625, 82556485632, 9, 4096, 1529437, 7316407296
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OFFSET
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1,1
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COMMENTS
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Table starts
......2.........3............4.............5...............6................7
.....16........81..........256...........625............1296.............2401
....192......3645........28672........140625..........513216..........1529437
...9216...1476225.....51380224.....791015625......7316407296......47738317081
.663552.996451875.161128382464.8009033203125.191221621088256.2767247026234327
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LINKS
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FORMULA
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T(n,k) = (k+1) ^ (2n-(n modulo 2)) * ((k+1)*(2k+1)) ^ ((n*n-2n+(n modulo 2))/4)
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EXAMPLE
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Some solutions for n=3 k=3
..2..0..1....1..0..1....0..0..3....0..2..1....1..2..3....0..1..2....2..2..0
..3..1..0....0..1..0....2..1..0....2..3..2....2..3..0....1..3..2....1..0..2
..0..3..3....1..0..1....1..2..3....3..2..3....2..0..2....2..2..2....1..1..3
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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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