A298240 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 5 | | 1 |
| | | | | | | | 1 | | 13 | | 13 | | 1 |
| | | | | | | 1 | | 42 | | 22 | | 42 | | 1 |
| | | | | | 1 | | 127 | | 124 | | 124 | | 127 | | 1 |
| | | | | 1 | | 389 | | 409 | | 1156 | | 409 | | 389 | | 1 |
| | | | 1 | | 1192 | | 1921 | | 8117 | | 8117 | | 1921 | | 1192 | | 1 |
| | | 1 | | 3645 | | 8908 | | 66626 | | 107163 | | 66626 | | 8908 | | 3645 | | 1 |
| | 1 | | 11161 | | 41933 | | 563826 | | 1636306 | | 1636306 | | 563826 | | 41933 |
|
A298240 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 13 | 42 | 127 | 389 | 1192 | 3645 | 11161
| | 1 | 13 | 22 | 124 | 409 | 1921 | 8908 | 41933
| | 1 | 42 | 124 | 1156 | 8117 | 66626 | 563826
| | 1 | 127 | 409 | 8117 | 107163 | 1636306
| | 1 | 389 | 1921 | 66626 | 1636306
| | 1 | 1192 | 8908 | 563826
| | 1 | 3645 | 41933
| | 1
|
A298240 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 13 | 42 | 127 | 389 | 1192 | 3645 | 11161
| | | 1 | 13 | 22 | 124 | 409 | 1921 | 8908 | 41933
| | | | 1 | 42 | 124 | 1156 | 8117 | 66626 | 563826
| | | | | 1 | 127 | 409 | 8117 | 107163 | 1636306
| | | | | | 1 | 389 | 1921 | 66626 | 1636306
| | | | | | | 1 | 1192 | 8908 | 563826
| | | | | | | | 1 | 3645 | 41933
| | | | | | | | | 1
| | | | | | | | |
|
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