A237412 as a triangular array
| | | | | | | | 81 |
| | | | | | | | 322 | | 322 |
| | | | | | | 1278 | | 1632 | | 1278 |
| | | | | | 5228 | | 8236 | | 8236 | | 5228 |
| | | | | 21456 | | 44186 | | 53167 | | 44186 | | 21456 |
| | | | 87164 | | 238640 | | 373804 | | 373804 | | 238640 | | 87164 |
| | | 354008 | | 1260486 | | 2671962 | | 3604930 | | 2671962 | | 1260486 | | 354008 |
| | 1441060 | | 6627450 | | 18401364 | | 35476776 |
|
A237412 as a square array
81 | 322 | 1278 | 5228 | 21456 | 87164 | 354008 | 1441060
| 322 | 1632 | 8236 | 44186 | 238640 | 1260486 | 6627450
| 1278 | 8236 | 53167 | 373804 | 2671962 | 18401364
| 5228 | 44186 | 373804 | 3604930 | 35476776
| 21456 | 238640 | 2671962
| 87164 | 1260486
| 354008
|
A237412 as an upper right triangle
81 | 322 | 1278 | 5228 | 21456 | 87164 | 354008 | 1441060
| | 322 | 1632 | 8236 | 44186 | 238640 | 1260486 | 6627450
| | | 1278 | 8236 | 53167 | 373804 | 2671962 | 18401364
| | | | 5228 | 44186 | 373804 | 3604930 | 35476776
| | | | | 21456 | 238640 | 2671962
| | | | | | 87164 | 1260486
| | | | | | | 354008
| | | | | | |
|
|