A238750 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | 0 | | 1 | | 1 |
| | | | | | | | | 0 | | 2 | | 1 | | 1 |
| | | | | | | | 0 | | 4 | | 3 | | 2 | | 1 |
| | | | | | | 0 | | 10 | | 7 | | 5 | | 3 | | 1 |
| | | | | | 0 | | 26 | | 20 | | 14 | | 11 | | 4 | | 1 |
| | | | | 0 | | 76 | | 56 | | 44 | | 31 | | 19 | | 5 | | 1 |
| | | | 0 | | 232 | | 182 | | 139 | | 106 | | 69 | | 29 | | 6 | | 1 |
| | | 0 | | 764 | | 589 | | 475 | | 351 | | 265 | | 127 | | 41 | | 7 | | 1 |
| | 0 | | 2620 | | 2088 | | 1658 | | 1303 | | 971 | | 583 | | 209 | | 55 | | 8 | | 1 |
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A238750 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 1 | 2 | 4 | 10 | 26 | 76 | 232 | 764 | 2620
| 1 | 1 | 3 | 7 | 20 | 56 | 182 | 589 | 2088
| 1 | 2 | 5 | 14 | 44 | 139 | 475 | 1658
| 1 | 3 | 11 | 31 | 106 | 351 | 1303
| 1 | 4 | 19 | 69 | 265 | 971
| 1 | 5 | 29 | 127 | 583
| 1 | 6 | 41 | 209
| 1 | 7 | 55
| 1 | 8
| 1
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A238750 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 2 | 4 | 10 | 26 | 76 | 232 | 764 | 2620
| | | 1 | 1 | 3 | 7 | 20 | 56 | 182 | 589 | 2088
| | | | 1 | 2 | 5 | 14 | 44 | 139 | 475 | 1658
| | | | | 1 | 3 | 11 | 31 | 106 | 351 | 1303
| | | | | | 1 | 4 | 19 | 69 | 265 | 971
| | | | | | | 1 | 5 | 29 | 127 | 583
| | | | | | | | 1 | 6 | 41 | 209
| | | | | | | | | 1 | 7 | 55
| | | | | | | | | | 1 | 8
| | | | | | | | | | | 1
|
|