A142992 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | 1 | | 9 | | 5 | | 1 |
| | | | | | | 1 | | 19 | | 25 | | 7 | | 1 |
| | | | | | 1 | | 33 | | 85 | | 49 | | 9 | | 1 |
| | | | | 1 | | 51 | | 225 | | 231 | | 81 | | 11 | | 1 |
| | | | 1 | | 73 | | 501 | | 833 | | 489 | | 121 | | 13 | | 1 |
| | | 1 | | 99 | | 985 | | 2471 | | 2241 | | 891 | | 169 | | 15 | | 1 |
| | 1 | | 129 | | 1765 | | 6321 | | 8361 | | 4961 | | 1469 | | 225 | | 17 | | 1 |
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A142992 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 3 | 9 | 19 | 33 | 51 | 73 | 99 | 129
| 1 | 5 | 25 | 85 | 225 | 501 | 985 | 1765
| 1 | 7 | 49 | 231 | 833 | 2471 | 6321
| 1 | 9 | 81 | 489 | 2241 | 8361
| 1 | 11 | 121 | 891 | 4961
| 1 | 13 | 169 | 1469
| 1 | 15 | 225
| 1 | 17
| 1
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A142992 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 9 | 19 | 33 | 51 | 73 | 99 | 129
| | | 1 | 5 | 25 | 85 | 225 | 501 | 985 | 1765
| | | | 1 | 7 | 49 | 231 | 833 | 2471 | 6321
| | | | | 1 | 9 | 81 | 489 | 2241 | 8361
| | | | | | 1 | 11 | 121 | 891 | 4961
| | | | | | | 1 | 13 | 169 | 1469
| | | | | | | | 1 | 15 | 225
| | | | | | | | | 1 | 17
| | | | | | | | | | 1
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