A091039 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 3 | | 1 |
| | | | | | | | 7 | | 8 | | 1 |
| | | | | | | 15 | | 52 | | 30 | | 1 |
| | | | | | 31 | | 320 | | 756 | | 144 | | 1 |
| | | | | 63 | | 1936 | | 18360 | | 17856 | | 840 | | 1 |
| | | | 127 | | 11648 | | 441936 | | 2156544 | | 619200 | | 5760 | | 1 |
| | | 255 | | 69952 | | 10614240 | | 259117056 | | 447552000 | | 29548800 | | 45360 | | 1 |
| | 511 | | 419840 | | 254788416 | | 31102009344 |
|
A091039 as a square array
| 1 | 3 | 7 | 15 | 31 | 63 | 127 | 255 | 511
| | 1 | 8 | 52 | 320 | 1936 | 11648 | 69952 | 419840
| | 1 | 30 | 756 | 18360 | 441936 | 10614240 | 254788416
| | 1 | 144 | 17856 | 2156544 | 259117056 | 31102009344
| | 1 | 840 | 619200 | 447552000
| | 1 | 5760 | 29548800
| | 1 | 45360
| | 1
|
A091039 as an upper right triangle
| 1 | 3 | 7 | 15 | 31 | 63 | 127 | 255 | 511
| | 1 | 8 | 52 | 320 | 1936 | 11648 | 69952 | 419840
| | | 1 | 30 | 756 | 18360 | 441936 | 10614240 | 254788416
| | | | 1 | 144 | 17856 | 2156544 | 259117056 | 31102009344
| | | | | 1 | 840 | 619200 | 447552000
| | | | | | 1 | 5760 | 29548800
| | | | | | | 1 | 45360
| | | | | | | | 1
| | | | | | | |
|
|
