A051910 as a triangular array
| | | | | | | | | | | | 0 |
| | | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | | 0 | | 2 | | 3 |
| | | | | | | | | | 0 | | 3 | | 1 | | 2 |
| | | | | | | | | 0 | | 4 | | 8 | | 12 | | 6 |
| | | | | | | | 0 | | 5 | | 10 | | 15 | | 2 | | 7 |
| | | | | | | 0 | | 6 | | 11 | | 13 | | 14 | | 8 | | 5 |
| | | | | | 0 | | 7 | | 9 | | 14 | | 10 | | 13 | | 3 | | 4 |
| | | | | 0 | | 8 | | 12 | | 4 | | 11 | | 3 | | 7 | | 15 | | 13 |
| | | | 0 | | 9 | | 14 | | 7 | | 15 | | 6 | | 1 | | 8 | | 5 | | 12 |
| | | 0 | | 10 | | 15 | | 5 | | 3 | | 9 | | 12 | | 6 | | 1 | | 11 | | 14 |
| | 0 | | 11 | | 13 | | 6 | | 7 | | 12 | | 10 | | 1 | | 9 | | 2 | | 4 | | 15 |
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A051910 as a square array
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| 3 | 1 | 8 | 10 | 11 | 9 | 12 | 14 | 15 | 13
| 2 | 12 | 15 | 13 | 14 | 4 | 7 | 5 | 6
| 6 | 2 | 14 | 10 | 11 | 15 | 3 | 7
| 7 | 8 | 13 | 3 | 6 | 9 | 12
| 5 | 3 | 7 | 1 | 12 | 10
| 4 | 15 | 8 | 6 | 1
| 13 | 5 | 1 | 9
| 12 | 11 | 2
| 14 | 4
| 15
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A051910 as an upper right triangle
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | | 3 | 1 | 8 | 10 | 11 | 9 | 12 | 14 | 15 | 13
| | | | 2 | 12 | 15 | 13 | 14 | 4 | 7 | 5 | 6
| | | | | 6 | 2 | 14 | 10 | 11 | 15 | 3 | 7
| | | | | | 7 | 8 | 13 | 3 | 6 | 9 | 12
| | | | | | | 5 | 3 | 7 | 1 | 12 | 10
| | | | | | | | 4 | 15 | 8 | 6 | 1
| | | | | | | | | 13 | 5 | 1 | 9
| | | | | | | | | | 12 | 11 | 2
| | | | | | | | | | | 14 | 4
| | | | | | | | | | | | 15
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