A191238 as a triangular array
| | | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | | | | 1 | | 0 | | 1 |
| | | | | | | | | | | | 0 | | 2 | | 0 | | 1 |
| | | | | | | | | | | 1 | | 0 | | 3 | | 0 | | 1 |
| | | | | | | | | | 0 | | 3 | | 0 | | 4 | | 0 | | 1 |
| | | | | | | | | 0 | | 0 | | 6 | | 0 | | 5 | | 0 | | 1 |
| | | | | | | | 0 | | 2 | | 0 | | 10 | | 0 | | 6 | | 0 | | 1 |
| | | | | | | 0 | | 0 | | 7 | | 0 | | 15 | | 0 | | 7 | | 0 | | 1 |
| | | | | | 0 | | 1 | | 0 | | 16 | | 0 | | 21 | | 0 | | 8 | | 0 | | 1 |
| | | | | 0 | | 0 | | 6 | | 0 | | 30 | | 0 | | 28 | | 0 | | 9 | | 0 | | 1 |
| | | | 0 | | 0 | | 0 | | 19 | | 0 | | 50 | | 0 | | 36 | | 0 | | 10 | | 0 | | 1 |
| | | 0 | | 0 | | 3 | | 0 | | 45 | | 0 | | 77 | | 0 | | 45 | | 0 | | 11 | | 0 | | 1 |
| | 0 | | 0 | | 0 | | 16 | | 0 | | 90 | | 0 | | 112 | | 0 | | 55 | | 0 | | 12 | | 0 | | 1 |
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A191238 as a square array
1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 0 | 2 | 0 | 3 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0
| 1 | 0 | 3 | 0 | 6 | 0 | 7 | 0 | 6 | 0 | 3 | 0
| 1 | 0 | 4 | 0 | 10 | 0 | 16 | 0 | 19 | 0 | 16
| 1 | 0 | 5 | 0 | 15 | 0 | 30 | 0 | 45 | 0
| 1 | 0 | 6 | 0 | 21 | 0 | 50 | 0 | 90
| 1 | 0 | 7 | 0 | 28 | 0 | 77 | 0
| 1 | 0 | 8 | 0 | 36 | 0 | 112
| 1 | 0 | 9 | 0 | 45 | 0
| 1 | 0 | 10 | 0 | 55
| 1 | 0 | 11 | 0
| 1 | 0 | 12
| 1 | 0
| 1
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A191238 as an upper right triangle
1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 0 | 2 | 0 | 3 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0
| | | 1 | 0 | 3 | 0 | 6 | 0 | 7 | 0 | 6 | 0 | 3 | 0
| | | | 1 | 0 | 4 | 0 | 10 | 0 | 16 | 0 | 19 | 0 | 16
| | | | | 1 | 0 | 5 | 0 | 15 | 0 | 30 | 0 | 45 | 0
| | | | | | 1 | 0 | 6 | 0 | 21 | 0 | 50 | 0 | 90
| | | | | | | 1 | 0 | 7 | 0 | 28 | 0 | 77 | 0
| | | | | | | | 1 | 0 | 8 | 0 | 36 | 0 | 112
| | | | | | | | | 1 | 0 | 9 | 0 | 45 | 0
| | | | | | | | | | 1 | 0 | 10 | 0 | 55
| | | | | | | | | | | 1 | 0 | 11 | 0
| | | | | | | | | | | | 1 | 0 | 12
| | | | | | | | | | | | | 1 | 0
| | | | | | | | | | | | | | 1
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