A263864 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 3 | | 1 | | 1 |
| | | | | | | | | | 10 | | 4 | | 1 | | 1 |
| | | | | | | | | 44 | | 13 | | 4 | | 1 | | 1 |
| | | | | | | | 238 | | 60 | | 14 | | 4 | | 1 | | 1 |
| | | | | | | 1650 | | 312 | | 63 | | 14 | | 4 | | 1 | | 1 |
| | | | | | 14512 | | 2075 | | 328 | | 64 | | 14 | | 4 | | 1 | | 1 |
| | | | | 163341 | | 17316 | | 2159 | | 331 | | 64 | | 14 | | 4 | | 1 | | 1 |
| | | | 2360719 | | 186173 | | 17801 | | 2175 | | 332 | | 64 | | 14 | | 4 | | 1 | | 1 |
| | | 43944974 | | 2594568 | | 189406 | | 17885 | | 2178 | | 332 | | 64 | | 14 | | 4 | | 1 | | 1 |
| | 1055019099 | | 47041877 |
|
A263864 as a square array
1 | 1 | 3 | 10 | 44 | 238 | 1650 | 14512 | 163341 | 2360719 | 43944974 | 1055019099
| 1 | 1 | 4 | 13 | 60 | 312 | 2075 | 17316 | 186173 | 2594568 | 47041877
| 1 | 1 | 4 | 14 | 63 | 328 | 2159 | 17801 | 189406
| 1 | 1 | 4 | 14 | 64 | 331 | 2175 | 17885
| 1 | 1 | 4 | 14 | 64 | 332 | 2178
| 1 | 1 | 4 | 14 | 64 | 332
| 1 | 1 | 4 | 14 | 64
| 1 | 1 | 4 | 14
| 1 | 1 | 4
| 1 | 1
| 1
|
A263864 as an upper right triangle
1 | 1 | 3 | 10 | 44 | 238 | 1650 | 14512 | 163341 | 2360719 | 43944974 | 1055019099
| | 1 | 1 | 4 | 13 | 60 | 312 | 2075 | 17316 | 186173 | 2594568 | 47041877
| | | 1 | 1 | 4 | 14 | 63 | 328 | 2159 | 17801 | 189406
| | | | 1 | 1 | 4 | 14 | 64 | 331 | 2175 | 17885
| | | | | 1 | 1 | 4 | 14 | 64 | 332 | 2178
| | | | | | 1 | 1 | 4 | 14 | 64 | 332
| | | | | | | 1 | 1 | 4 | 14 | 64
| | | | | | | | 1 | 1 | 4 | 14
| | | | | | | | | 1 | 1 | 4
| | | | | | | | | | 1 | 1
| | | | | | | | | | | 1
| | | | | | | | | | |
|
|