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A068290 1/16 the number of colorings of an n X n staggered hexagonal array with 16 colors. 0
1, 2940, 1475791800, 126483570405921120 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4.

CROSSREFS

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

Sequence in context: A127490 A128149 A054832 * A096628 A051024 A177087

Adjacent sequences:  A068287 A068288 A068289 * A068291 A068292 A068293

KEYWORD

nonn

AUTHOR

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

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Last modified February 16 20:28 EST 2012. Contains 205962 sequences.