|
| |
|
|
A156445
|
|
Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 8.
|
|
0
|
|
|
|
1, 4, 18, 138, 3910, 446508, 89959563, 25250999564, 10095521906313, 5572579847718200, 4311704697906480578
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
2,2
|
|
|
LINKS
|
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
