A201873 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 3 | | 3 |
| | | | | | | | | 1 | | 3 | | 5 | | 3 |
| | | | | | | | 1 | | 5 | | 15 | | 19 | | 5 |
| | | | | | | 1 | | 5 | | 21 | | 45 | | 45 | | 11 |
| | | | | | 1 | | 7 | | 27 | | 95 | | 169 | | 129 | | 21 |
| | | | | 1 | | 7 | | 47 | | 173 | | 443 | | 643 | | 345 | | 39 |
| | | | 1 | | 9 | | 57 | | 285 | | 977 | | 2191 | | 2509 | | 1031 | | 73 |
| | | 1 | | 9 | | 67 | | 431 | | 1905 | | 5963 | | 11107 | | 10129 | | 2969 | | 129 |
| | 1 | | 11 | | 97 | | 633 | | 3373 | | 13635 | | 36569 | | 57203 | | 41031 |
|
A201873 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 3 | 5 | 5 | 7 | 7 | 9 | 9 | 11
| | 3 | 5 | 15 | 21 | 27 | 47 | 57 | 67 | 97
| | 3 | 19 | 45 | 95 | 173 | 285 | 431 | 633
| | 5 | 45 | 169 | 443 | 977 | 1905 | 3373
| | 11 | 129 | 643 | 2191 | 5963 | 13635
| | 21 | 345 | 2509 | 11107 | 36569
| | 39 | 1031 | 10129 | 57203
| | 73 | 2969 | 41031
| | 129
|
A201873 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 3 | 5 | 5 | 7 | 7 | 9 | 9 | 11
| | | 3 | 5 | 15 | 21 | 27 | 47 | 57 | 67 | 97
| | | | 3 | 19 | 45 | 95 | 173 | 285 | 431 | 633
| | | | | 5 | 45 | 169 | 443 | 977 | 1905 | 3373
| | | | | | 11 | 129 | 643 | 2191 | 5963 | 13635
| | | | | | | 21 | 345 | 2509 | 11107 | 36569
| | | | | | | | 39 | 1031 | 10129 | 57203
| | | | | | | | | 73 | 2969 | 41031
| | | | | | | | | | 129
| | | | | | | | | |
|
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