A186861 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 4 | | 0 |
| | | | | | | | | | 9 | | 12 | | 0 |
| | | | | | | | | 16 | | 40 | | 24 | | 0 |
| | | | | | | | 25 | | 84 | | 160 | | 24 | | 0 |
| | | | | | | 36 | | 144 | | 408 | | 496 | | 0 | | 0 |
| | | | | | 49 | | 220 | | 768 | | 1764 | | 1208 | | 0 | | 0 |
| | | | | 64 | | 312 | | 1240 | | 3768 | | 6712 | | 2240 | | 0 | | 0 |
| | | | 81 | | 420 | | 1824 | | 6508 | | 17280 | | 22672 | | 2984 | | 0 | | 0 |
| | | 100 | | 544 | | 2520 | | 9984 | | 32520 | | 74072 | | 68272 | | 2384 | | 0 | | 0 |
| | 121 | | 684 |
|
A186861 as a square array
1 | 4 | 9 | 16 | 25 | 36 | 49 | 64 | 81 | 100 | 121
| 0 | 12 | 40 | 84 | 144 | 220 | 312 | 420 | 544 | 684
| 0 | 24 | 160 | 408 | 768 | 1240 | 1824 | 2520
| 0 | 24 | 496 | 1764 | 3768 | 6508 | 9984
| 0 | 0 | 1208 | 6712 | 17280 | 32520
| 0 | 0 | 2240 | 22672 | 74072
| 0 | 0 | 2984 | 68272
| 0 | 0 | 2384
| 0 | 0
| 0
|
A186861 as an upper right triangle
1 | 4 | 9 | 16 | 25 | 36 | 49 | 64 | 81 | 100 | 121
| | 0 | 12 | 40 | 84 | 144 | 220 | 312 | 420 | 544 | 684
| | | 0 | 24 | 160 | 408 | 768 | 1240 | 1824 | 2520
| | | | 0 | 24 | 496 | 1764 | 3768 | 6508 | 9984
| | | | | 0 | 0 | 1208 | 6712 | 17280 | 32520
| | | | | | 0 | 0 | 2240 | 22672 | 74072
| | | | | | | 0 | 0 | 2984 | 68272
| | | | | | | | 0 | 0 | 2384
| | | | | | | | | 0 | 0
| | | | | | | | | | 0
| | | | | | | | | |
|
|