A208054 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 2 | | 2 | | 2 |
| | | | | | | 5 | | 15 | | 15 | | 5 |
| | | | | | 15 | | 203 | | 716 | | 203 | | 15 |
| | | | | 52 | | 4140 | | 83440 | | 83440 | | 4140 | | 52 |
| | | | 203 | | 115975 | | 18171918 | | 112073062 | | 18171918 | | 115975 | | 203 |
| | | 877 | | 4213597 | | 6423127757 | | 346212384169 | | 346212384169 | | 6423127757 | | 4213597 | | 877 |
| | 4140 | | 190899322 |
|
A208054 as a square array
1 | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140
| 1 | 2 | 15 | 203 | 4140 | 115975 | 4213597 | 190899322
| 2 | 15 | 716 | 83440 | 18171918 | 6423127757
| 5 | 203 | 83440 | 112073062 | 346212384169
| 15 | 4140 | 18171918 | 346212384169
| 52 | 115975 | 6423127757
| 203 | 4213597
| 877
|
A208054 as an upper right triangle
1 | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140
| | 1 | 2 | 15 | 203 | 4140 | 115975 | 4213597 | 190899322
| | | 2 | 15 | 716 | 83440 | 18171918 | 6423127757
| | | | 5 | 203 | 83440 | 112073062 | 346212384169
| | | | | 15 | 4140 | 18171918 | 346212384169
| | | | | | 52 | 115975 | 6423127757
| | | | | | | 203 | 4213597
| | | | | | | | 877
| | | | | | | |
|
|