A131241 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 3 | | 1 |
| | | | | | | | | 3 | | 3 | | 1 |
| | | | | | | | 3 | | 6 | | 3 | | 1 |
| | | | | | | 3 | | 6 | | 9 | | 3 | | 1 |
| | | | | | 3 | | 9 | | 9 | | 12 | | 3 | | 1 |
| | | | | 3 | | 9 | | 18 | | 12 | | 15 | | 3 | | 1 |
| | | | 3 | | 12 | | 18 | | 30 | | 15 | | 18 | | 3 | | 1 |
| | | 3 | | 12 | | 30 | | 30 | | 45 | | 18 | | 21 | | 3 | | 1 |
| | 3 | | 15 | | 30 | | 60 | | 45 | | 63 | | 21 | | 24 | | 3 | | 1 |
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A131241 as a square array
| 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| | 1 | 3 | 6 | 6 | 9 | 9 | 12 | 12 | 15
| | 1 | 3 | 9 | 9 | 18 | 18 | 30 | 30
| | 1 | 3 | 12 | 12 | 30 | 30 | 60
| | 1 | 3 | 15 | 15 | 45 | 45
| | 1 | 3 | 18 | 18 | 63
| | 1 | 3 | 21 | 21
| | 1 | 3 | 24
| | 1 | 3
| | 1
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A131241 as an upper right triangle
| 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| | 1 | 3 | 6 | 6 | 9 | 9 | 12 | 12 | 15
| | | 1 | 3 | 9 | 9 | 18 | 18 | 30 | 30
| | | | 1 | 3 | 12 | 12 | 30 | 30 | 60
| | | | | 1 | 3 | 15 | 15 | 45 | 45
| | | | | | 1 | 3 | 18 | 18 | 63
| | | | | | | 1 | 3 | 21 | 21
| | | | | | | | 1 | 3 | 24
| | | | | | | | | 1 | 3
| | | | | | | | | | 1
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