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Search: id:A068247
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A068247 1/6 the number of colorings of a 6x6 rhombic hexagonal array with n colors. +0
1
1, 123273728, 606966551329230, 42294602754348892160, 221621345837018832499375 (list; graph; listen)
OFFSET

3,2
CROSSREFS

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

Sequence in context: A081734 A058362 A079332 this_sequence A050289 A053654 A068249

Adjacent sequences: A068244 A068245 A068246 this_sequence A068248 A068249 A068250

KEYWORD

nonn

AUTHOR

Ron Hardin (rhh(AT)cadence.com), Feb 24 2002

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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