A220738 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | 1 | | 5 | | 4 | | 1 |
| | | | | | | | 1 | | 13 | | 22 | | 8 | | 1 |
| | | | | | | 1 | | 32 | | 103 | | 72 | | 16 | | 1 |
| | | | | | 1 | | 85 | | 487 | | 712 | | 258 | | 32 | | 1 |
| | | | | 1 | | 221 | | 2276 | | 7369 | | 5760 | | 949 | | 64 | | 1 |
| | | | 1 | | 578 | | 10653 | | 78418 | | 127288 | | 45421 | | 3403 | | 128 | | 1 |
| | | 1 | | 1513 | | 49951 | | 824965 | | 2792479 | | 2027456 | | 355883 | | 12241 | | 256 | | 1 |
| | 1 | | 3961 | | 234006 |
|
A220738 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 5 | 13 | 32 | 85 | 221 | 578 | 1513 | 3961
| | 1 | 4 | 22 | 103 | 487 | 2276 | 10653 | 49951 | 234006
| | 1 | 8 | 72 | 712 | 7369 | 78418 | 824965
| | 1 | 16 | 258 | 5760 | 127288 | 2792479
| | 1 | 32 | 949 | 45421 | 2027456
| | 1 | 64 | 3403 | 355883
| | 1 | 128 | 12241
| | 1 | 256
| | 1
|
A220738 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 5 | 13 | 32 | 85 | 221 | 578 | 1513 | 3961
| | | 1 | 4 | 22 | 103 | 487 | 2276 | 10653 | 49951 | 234006
| | | | 1 | 8 | 72 | 712 | 7369 | 78418 | 824965
| | | | | 1 | 16 | 258 | 5760 | 127288 | 2792479
| | | | | | 1 | 32 | 949 | 45421 | 2027456
| | | | | | | 1 | 64 | 3403 | 355883
| | | | | | | | 1 | 128 | 12241
| | | | | | | | | 1 | 256
| | | | | | | | | | 1
| | | | | | | | | |
|
|
