|
| |
|
|
A156425
|
|
Number of 17 X 17 arrays of squares of integers, symmetric under 90 degree rotation, with all rows summing to n.
|
|
0
|
|
|
|
1, 1680, 0, 0, 320743643010, 10058239033920, 0, 0, 16657062087640520, 62993444371397120, 0, 0
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,2
|
|
|
LINKS
|
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
