A184720 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | | 1 | | 1 | | 2 |
| | | | | | | | | | | 1 | | 1 | | 2 | | 2 |
| | | | | | | | | | 1 | | 1 | | 2 | | 2 | | 3 |
| | | | | | | | | 1 | | 1 | | 2 | | 2 | | 5 | | 4 |
| | | | | | | | 1 | | 1 | | 2 | | 2 | | 7 | | 9 | | 5 |
| | | | | | | 1 | | 1 | | 2 | | 3 | | 6 | | 19 | | 22 | | 6 |
| | | | | | 1 | | 1 | | 2 | | 2 | | 6 | | 22 | | 39 | | 47 | | 8 |
| | | | | 1 | | 1 | | 2 | | 2 | | 20 | | 39 | | 125 | | 120 | | 95 | | 10 |
| | | | 1 | | 1 | | 2 | | 3 | | 15 | | 65 | | 209 | | 467 | | 411 | | 197 | | 12 |
| | | 1 | | 1 | | 2 | | 3 | | 18 | | 76 | | 356 | | 947 | | 1669 | | 1310 | | 394 | | 15 |
| | 1 | | 1 | | 2 | | 4 | | 29 | | 114 |
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A184720 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2
| 2 | 2 | 2 | 2 | 3 | 2 | 2 | 3 | 3 | 4
| 3 | 5 | 7 | 6 | 6 | 20 | 15 | 18 | 29
| 4 | 9 | 19 | 22 | 39 | 65 | 76 | 114
| 5 | 22 | 39 | 125 | 209 | 356
| 6 | 47 | 120 | 467 | 947
| 8 | 95 | 411 | 1669
| 10 | 197 | 1310
| 12 | 394
| 15
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A184720 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2
| | | | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 3 | 3 | 4
| | | | | 3 | 5 | 7 | 6 | 6 | 20 | 15 | 18 | 29
| | | | | | 4 | 9 | 19 | 22 | 39 | 65 | 76 | 114
| | | | | | | 5 | 22 | 39 | 125 | 209 | 356
| | | | | | | | 6 | 47 | 120 | 467 | 947
| | | | | | | | | 8 | 95 | 411 | 1669
| | | | | | | | | | 10 | 197 | 1310
| | | | | | | | | | | 12 | 394
| | | | | | | | | | | | 15
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