|
|
A068247
|
|
1/6 the number of colorings of a 6 X 6 rhombic hexagonal array with n colors.
|
|
2
|
|
|
1, 123273728, 606966551329230, 42294602754348892160, 221621345837018832499375, 227499859288036192921814016, 76749554391225308000690033388, 11559255542512176814494743592960, 945121787128699657370828476884045, 47886238054762718784097603771840000
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
3,2
|
|
LINKS
|
|
|
FORMULA
|
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|