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A068256 1/6 the number of colorings of an n X n square array with 6 colors. 0
1, 105, 194485, 6354787485, 3662978221194885, 37246546285522069805565, 6681224184095576349599961437005 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

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

Sequence in context: A171116 A199100 A096150 * A062031 A199522 A036201

Adjacent sequences:  A068253 A068254 A068255 * A068257 A068258 A068259

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 05:55 EST 2012. Contains 205860 sequences.