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Search: id:A145253
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A145253 1/8 of the number of 8-colorings of an n X n array symmetric under 180 degree rotation. +0
1
1, 7, 1855, 488509, 4884669475, 48533789554789, 18312348548135120059 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A001424 A055318 A117661 this_sequence A024099 A056235 A139299

Adjacent sequences: A145250 A145251 A145252 this_sequence A145254 A145255 A145256

KEYWORD

nonn

AUTHOR

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

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

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