A321884 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 0 |
| | | | | | | | | | | 1 | | 1 | | 0 |
| | | | | | | | | | 1 | | 2 | | 2 | | 0 |
| | | | | | | | | 1 | | 3 | | 4 | | 3 | | 0 |
| | | | | | | | 1 | | 4 | | 6 | | 8 | | 5 | | 0 |
| | | | | | | 1 | | 5 | | 8 | | 15 | | 14 | | 7 | | 0 |
| | | | | | 1 | | 6 | | 10 | | 24 | | 27 | | 24 | | 11 | | 0 |
| | | | | 1 | | 7 | | 12 | | 35 | | 44 | | 51 | | 40 | | 15 | | 0 |
| | | | 1 | | 8 | | 14 | | 48 | | 65 | | 88 | | 93 | | 64 | | 22 | | 0 |
| | | 1 | | 9 | | 16 | | 63 | | 90 | | 135 | | 176 | | 159 | | 100 | | 30 | | 0 |
| | 1 | | 10 | | 18 | | 80 | | 119 | | 192 | | 295 | | 312 | | 264 | | 154 | | 42 | | 0 |
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A321884 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18
| 0 | 3 | 8 | 15 | 24 | 35 | 48 | 63 | 80
| 0 | 5 | 14 | 27 | 44 | 65 | 90 | 119
| 0 | 7 | 24 | 51 | 88 | 135 | 192
| 0 | 11 | 40 | 93 | 176 | 295
| 0 | 15 | 64 | 159 | 312
| 0 | 22 | 100 | 264
| 0 | 30 | 154
| 0 | 42
| 0
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A321884 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | | 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18
| | | | 0 | 3 | 8 | 15 | 24 | 35 | 48 | 63 | 80
| | | | | 0 | 5 | 14 | 27 | 44 | 65 | 90 | 119
| | | | | | 0 | 7 | 24 | 51 | 88 | 135 | 192
| | | | | | | 0 | 11 | 40 | 93 | 176 | 295
| | | | | | | | 0 | 15 | 64 | 159 | 312
| | | | | | | | | 0 | 22 | 100 | 264
| | | | | | | | | | 0 | 30 | 154
| | | | | | | | | | | 0 | 42
| | | | | | | | | | | | 0
|
|