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A145244
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1/5 of the number of 5-colorings of an n X n array symmetric about both diagonal and antidiagonal.
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0
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1, 4, 64, 832, 43264, 1827904, 308948224, 42427198528, 23308417310464, 10404188730539968, 18578639958381807616, 26955458921407543923136, 156455150623383016555451392
(list; graph; refs; listen; history; internal format)
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