|
Search: id:A156446
|
|
|
| A156446 |
|
Number of nXn arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 8. |
|
+0
1
|
|
| 1, 2, 10, 18, 308, 1716, 83987, 644220, 42440517, 448032730, 40142592042, 617153224314, 75157230205402, 1794934830265052, 303255697073306250
(list; graph; listen)
|
|
|
|
|
Search completed in 0.002 seconds
|
