A163904 as a triangular array
| | | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | | 1 | | 2 |
| | | | | | | | | | | | | 6 | | 2 | | 6 |
| | | | | | | | | | | | 3 | | 3 | | 6 | | 3 |
| | | | | | | | | | | 1 | | 6 | | 6 | | 3 | | 4 |
| | | | | | | | | | 3 | | 3 | | 3 | | 6 | | 8 | | 8 |
| | | | | | | | | 1 | | 3 | | 4 | | 3 | | 4 | | 4 | | 2 |
| | | | | | | | 1 | | 2 | | 2 | | 2 | | 2 | | 2 | | 2 | | 2 |
| | | | | | | 6 | | 2 | | 4 | | 4 | | 4 | | 4 | | 8 | | 2 | | 6 |
| | | | | | 6 | | 6 | | 2 | | 4 | | 4 | | 8 | | 8 | | 4 | | 6 | | 6 |
| | | | | 12 | | 6 | | 12 | | 2 | | 4 | | 8 | | 4 | | 4 | | 12 | | 6 | | 18 |
| | | | 6 | | 6 | | 12 | | 6 | | 2 | | 4 | | 8 | | 4 | | 6 | | 12 | | 18 | | 6 |
| | | 3 | | 12 | | 18 | | 6 | | 9 | | 2 | | 2 | | 8 | | 6 | | 6 | | 12 | | 18 | | 3 |
| | 3 | | 6 | | 18 | | 18 |
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A163904 as a square array
1 | 1 | 6 | 3 | 1 | 3 | 1 | 1 | 6 | 6 | 12 | 6 | 3 | 3
| 2 | 2 | 3 | 6 | 3 | 3 | 2 | 2 | 6 | 6 | 6 | 12 | 6
| 6 | 6 | 6 | 3 | 4 | 2 | 4 | 2 | 12 | 12 | 18 | 18
| 3 | 3 | 6 | 3 | 2 | 4 | 4 | 2 | 6 | 6 | 18
| 4 | 8 | 4 | 2 | 4 | 4 | 4 | 2 | 9
| 8 | 4 | 2 | 4 | 8 | 8 | 4 | 2
| 2 | 2 | 8 | 8 | 4 | 8 | 2
| 2 | 2 | 4 | 4 | 4 | 8
| 6 | 6 | 12 | 6 | 6
| 6 | 6 | 12 | 6
| 18 | 18 | 12
| 6 | 18
| 3
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A163904 as an upper right triangle
1 | 1 | 6 | 3 | 1 | 3 | 1 | 1 | 6 | 6 | 12 | 6 | 3 | 3
| | 2 | 2 | 3 | 6 | 3 | 3 | 2 | 2 | 6 | 6 | 6 | 12 | 6
| | | 6 | 6 | 6 | 3 | 4 | 2 | 4 | 2 | 12 | 12 | 18 | 18
| | | | 3 | 3 | 6 | 3 | 2 | 4 | 4 | 2 | 6 | 6 | 18
| | | | | 4 | 8 | 4 | 2 | 4 | 4 | 4 | 2 | 9
| | | | | | 8 | 4 | 2 | 4 | 8 | 8 | 4 | 2
| | | | | | | 2 | 2 | 8 | 8 | 4 | 8 | 2
| | | | | | | | 2 | 2 | 4 | 4 | 4 | 8
| | | | | | | | | 6 | 6 | 12 | 6 | 6
| | | | | | | | | | 6 | 6 | 12 | 6
| | | | | | | | | | | 18 | 18 | 12
| | | | | | | | | | | | 6 | 18
| | | | | | | | | | | | | 3
| | | | | | | | | | | | |
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