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A229579
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Number of defective 3-colorings of an n X n 0..2 array connected horizontally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order.
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0
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0, 6, 264, 19764, 2865780, 890824020, 613195191972, 954838111013352, 3403478388512845692, 27993333042034653078324, 534183142761328458054883788, 23742792574386065523445979163924
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=3:
0 1 2 0 1 0 0 1 0 0 1 2 0 1 2 0 1 0 0 1 0
0 2 1 2 0 2 1 2 0 2 0 1 0 1 2 2 2 1 2 2 1
1 0 1 2 1 0 1 2 1 2 1 0 0 2 0 1 2 1 1 0 2
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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