A157209 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 11 | | 1 |
| | | | | | | | 1 | | 54 | | 54 | | 1 |
| | | | | | | 1 | | 229 | | 822 | | 229 | | 1 |
| | | | | | 1 | | 932 | | 8368 | | 8368 | | 932 | | 1 |
| | | | | 1 | | 3747 | | 72066 | | 174758 | | 72066 | | 3747 | | 1 |
| | | | 1 | | 15010 | | 570006 | | 2759750 | | 2759750 | | 570006 | | 15010 | | 1 |
| | | 1 | | 60065 | | 4297714 | | 37366190 | | 73850596 | | 37366190 | | 4297714 | | 60065 | | 1 |
| | 1 | | 240288 | | 31495488 | | 460448520 | | 1591033788 | | 1591033788 | | 460448520 | | 31495488 | | 240288 | | 1 |
|
A157209 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 11 | 54 | 229 | 932 | 3747 | 15010 | 60065 | 240288
| | 1 | 54 | 822 | 8368 | 72066 | 570006 | 4297714 | 31495488
| | 1 | 229 | 8368 | 174758 | 2759750 | 37366190 | 460448520
| | 1 | 932 | 72066 | 2759750 | 73850596 | 1591033788
| | 1 | 3747 | 570006 | 37366190 | 1591033788
| | 1 | 15010 | 4297714 | 460448520
| | 1 | 60065 | 31495488
| | 1 | 240288
| | 1
|
A157209 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 11 | 54 | 229 | 932 | 3747 | 15010 | 60065 | 240288
| | | 1 | 54 | 822 | 8368 | 72066 | 570006 | 4297714 | 31495488
| | | | 1 | 229 | 8368 | 174758 | 2759750 | 37366190 | 460448520
| | | | | 1 | 932 | 72066 | 2759750 | 73850596 | 1591033788
| | | | | | 1 | 3747 | 570006 | 37366190 | 1591033788
| | | | | | | 1 | 15010 | 4297714 | 460448520
| | | | | | | | 1 | 60065 | 31495488
| | | | | | | | | 1 | 240288
| | | | | | | | | | 1
|
|
