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

1,2

CROSSREFS

Sequence in context: A053959 A128782 A053957 this_sequence A026301 A010042 A154021

Adjacent sequences: A145241 A145242 A145243 this_sequence A145245 A145246 A145247

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net), Oct 05 2008

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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