A143997 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 2 | | 2 |
| | | | | | | | | | | | 3 | | 3 | | 3 |
| | | | | | | | | | | 3 | | 5 | | 5 | | 3 |
| | | | | | | | | | 4 | | 6 | | 7 | | 6 | | 4 |
| | | | | | | | | 5 | | 8 | | 9 | | 9 | | 8 | | 5 |
| | | | | | | | 6 | | 9 | | 12 | | 12 | | 12 | | 9 | | 6 |
| | | | | | | 6 | | 11 | | 14 | | 15 | | 15 | | 14 | | 11 | | 6 |
| | | | | | 7 | | 12 | | 16 | | 18 | | 19 | | 18 | | 16 | | 12 | | 7 |
| | | | | 8 | | 14 | | 18 | | 21 | | 23 | | 23 | | 21 | | 18 | | 14 | | 8 |
| | | | 9 | | 15 | | 21 | | 24 | | 27 | | 27 | | 27 | | 24 | | 21 | | 15 | | 9 |
| | | 9 | | 17 | | 23 | | 27 | | 30 | | 32 | | 32 | | 30 | | 27 | | 23 | | 17 | | 9 |
| | 10 | | 18 | | 25 |
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A143997 as a square array
1 | 2 | 3 | 3 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 9 | 10
| 2 | 3 | 5 | 6 | 8 | 9 | 11 | 12 | 14 | 15 | 17 | 18
| 3 | 5 | 7 | 9 | 12 | 14 | 16 | 18 | 21 | 23 | 25
| 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27
| 4 | 8 | 12 | 15 | 19 | 23 | 27 | 30
| 5 | 9 | 14 | 18 | 23 | 27 | 32
| 6 | 11 | 16 | 21 | 27 | 32
| 6 | 12 | 18 | 24 | 30
| 7 | 14 | 21 | 27
| 8 | 15 | 23
| 9 | 17
| 9
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A143997 as an upper right triangle
1 | 2 | 3 | 3 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 9 | 10
| | 2 | 3 | 5 | 6 | 8 | 9 | 11 | 12 | 14 | 15 | 17 | 18
| | | 3 | 5 | 7 | 9 | 12 | 14 | 16 | 18 | 21 | 23 | 25
| | | | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27
| | | | | 4 | 8 | 12 | 15 | 19 | 23 | 27 | 30
| | | | | | 5 | 9 | 14 | 18 | 23 | 27 | 32
| | | | | | | 6 | 11 | 16 | 21 | 27 | 32
| | | | | | | | 6 | 12 | 18 | 24 | 30
| | | | | | | | | 7 | 14 | 21 | 27
| | | | | | | | | | 8 | 15 | 23
| | | | | | | | | | | 9 | 17
| | | | | | | | | | | | 9
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