A112500 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 4 | | 1 |
| | | | | | | | | 1 | | 11 | | 10 | | 1 |
| | | | | | | | 1 | | 26 | | 60 | | 20 | | 1 |
| | | | | | | 1 | | 57 | | 282 | | 225 | | 35 | | 1 |
| | | | | | 1 | | 120 | | 1149 | | 1882 | | 665 | | 56 | | 1 |
| | | | | 1 | | 247 | | 4272 | | 13070 | | 9107 | | 1666 | | 84 | | 1 |
| | | | 1 | | 502 | | 14932 | | 79872 | | 100751 | | 35028 | | 3696 | | 120 | | 1 |
| | | 1 | | 1013 | | 49996 | | 444902 | | 957197 | | 584325 | | 113428 | | 7470 | | 165 | | 1 |
| | 1 |
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A112500 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 4 | 11 | 26 | 57 | 120 | 247 | 502 | 1013
| 1 | 10 | 60 | 282 | 1149 | 4272 | 14932 | 49996
| 1 | 20 | 225 | 1882 | 13070 | 79872 | 444902
| 1 | 35 | 665 | 9107 | 100751 | 957197
| 1 | 56 | 1666 | 35028 | 584325
| 1 | 84 | 3696 | 113428
| 1 | 120 | 7470
| 1 | 165
| 1
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A112500 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 11 | 26 | 57 | 120 | 247 | 502 | 1013
| | | 1 | 10 | 60 | 282 | 1149 | 4272 | 14932 | 49996
| | | | 1 | 20 | 225 | 1882 | 13070 | 79872 | 444902
| | | | | 1 | 35 | 665 | 9107 | 100751 | 957197
| | | | | | 1 | 56 | 1666 | 35028 | 584325
| | | | | | | 1 | 84 | 3696 | 113428
| | | | | | | | 1 | 120 | 7470
| | | | | | | | | 1 | 165
| | | | | | | | | | 1
| | | | | | | | | |
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