%I #9 May 03 2012 16:53:26
%S 1,150,390750,17684490750,13905331460469750,189961376944305892137750,
%T 45086270412704540409445089549750,
%U 185916670055945278226619825124072763091750,13319483009963134380534870853035913218901916338644750
%N 1/7 the number of colorings of an n X n staggered hexagonal array with 7 colors.
%C Terms for rhombic- and staggered- hexagonal arrays are the same for n in 1..4.
%Y Cf. A068239-A068305, A000332, A002417, A027441, A212194, A212195.
%K nonn
%O 1,2
%A _R. H. Hardin_, Feb 24 2002
%E a(7)-a(9) from _Alois P. Heinz_, May 03 2012
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