A331447 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | | 2 | | 1 | | 1 |
| | | | | | | | | | | 2 | | 2 | | 1 | | 1 |
| | | | | | | | | | 4 | | 3 | | 2 | | 1 | | 1 |
| | | | | | | | | 5 | | 4 | | 3 | | 2 | | 1 | | 1 |
| | | | | | | | 8 | | 6 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | | | | | 10 | | 9 | | 6 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | | | | 15 | | 12 | | 10 | | 7 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | | | 20 | | 17 | | 13 | | 10 | | 7 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | | 28 | | 23 | | 19 | | 14 | | 11 | | 7 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | | 36 | | 31 | | 25 | | 20 | | 14 | | 11 | | 7 | | 5 | | 3 | | 2 | | 1 | | 1 |
| | 50 | | 42 |
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A331447 as a square array
1 | 1 | 2 | 2 | 4 | 5 | 8 | 10 | 15 | 20 | 28 | 36 | 50
| 1 | 1 | 2 | 3 | 4 | 6 | 9 | 12 | 17 | 23 | 31 | 42
| 1 | 1 | 2 | 3 | 5 | 6 | 10 | 13 | 19 | 25
| 1 | 1 | 2 | 3 | 5 | 7 | 10 | 14 | 20
| 1 | 1 | 2 | 3 | 5 | 7 | 11 | 14
| 1 | 1 | 2 | 3 | 5 | 7 | 11
| 1 | 1 | 2 | 3 | 5 | 7
| 1 | 1 | 2 | 3 | 5
| 1 | 1 | 2 | 3
| 1 | 1 | 2
| 1 | 1
| 1
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A331447 as an upper right triangle
1 | 1 | 2 | 2 | 4 | 5 | 8 | 10 | 15 | 20 | 28 | 36 | 50
| | 1 | 1 | 2 | 3 | 4 | 6 | 9 | 12 | 17 | 23 | 31 | 42
| | | 1 | 1 | 2 | 3 | 5 | 6 | 10 | 13 | 19 | 25
| | | | 1 | 1 | 2 | 3 | 5 | 7 | 10 | 14 | 20
| | | | | 1 | 1 | 2 | 3 | 5 | 7 | 11 | 14
| | | | | | 1 | 1 | 2 | 3 | 5 | 7 | 11
| | | | | | | 1 | 1 | 2 | 3 | 5 | 7
| | | | | | | | 1 | 1 | 2 | 3 | 5
| | | | | | | | | 1 | 1 | 2 | 3
| | | | | | | | | | 1 | 1 | 2
| | | | | | | | | | | 1 | 1
| | | | | | | | | | | | 1
| | | | | | | | | | | |
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