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A068297 1/8 the number of colorings of an n X n octagonal array with 8 colors. +0
1
1, 210, 813750, 58494843750, 77998664766618750 (list; graph; listen)
OFFSET

1,2
CROSSREFS

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

Sequence in context: A014979 A134236 A136350 this_sequence A028677 A114442 A037272

Adjacent sequences: A068294 A068295 A068296 this_sequence A068298 A068299 A068300

KEYWORD

nonn

AUTHOR

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

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

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