|
| |
|
|
A172563
|
|
Number of 3*n X n 0..1 arrays with row sums 3 and column sums 9
|
|
1
|
|
|
|
0, 0, 1, 369600, 2604964362000, 89365729945562642000, 12218892645550878420052920000, 5638345005774311804302107347272704000, 7664603814657718197913972357390335773198400000
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,4
|
|
|
LINKS
|
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
