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A229528
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Number of defective 3-colorings of an n X n 0..2 array connected horizontally, diagonally 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, 4, 58, 3064, 221096, 34811238, 10551803060, 6668992563052, 8651918812282962, 23339962598582951552, 131977442018454063156484, 1555694872005636764531499932, 38779168607364170627075586723246
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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 0 1 0 1 0 0 1 2 0 1 1 0 1 2 0 1 2
0 1 0 1 2 1 0 2 1 2 1 2 0 2 0 2 1 2 0 2 0
2 2 0 1 2 0 0 2 0 2 0 1 1 2 1 2 0 0 0 2 0
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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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