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A068259 1/9 the number of colorings of an n X n square array with 9 colors. 0
1, 456, 10556008, 12405232610688, 740083033797732630216 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Cf. A068239-A068305, A000332, A002417, A027441.

Sequence in context: A077578 A048110 A037945 * A036271 A061326 A142828

Adjacent sequences:  A068256 A068257 A068258 * A068260 A068261 A068262

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net), Feb 24 2002

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Last modified February 15 13:14 EST 2012. Contains 205792 sequences.