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A068268 1/18 the number of colorings of an n X n square array with 18 colors. +0
1
1, 4641, 5554571857, 1714419367669298289 (list; graph; listen)
OFFSET

1,2
CROSSREFS

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

Sequence in context: A139410 A031656 A031566 this_sequence A028551 A122713 A118815

Adjacent sequences: A068265 A068266 A068267 this_sequence A068269 A068270 A068271

KEYWORD

nonn

AUTHOR

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

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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