A209465 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 2 | | 2 |
| | | | | | | | 5 | | 6 | | 5 |
| | | | | | | 15 | | 57 | | 57 | | 15 |
| | | | | | 52 | | 700 | | 2027 | | 700 | | 52 |
| | | | | 203 | | 10676 | | 107472 | | 107472 | | 10676 | | 203 |
| | | | 877 | | 192994 | | 7487423 | | 26142922 | | 7487423 | | 192994 | | 877 |
| | | 4139 | | 3966581 | | 613535578 | | 8012278798 | | 8012278798 | | 613535578 | | 3966581 | | 4139 |
| | 21110 | | 89157292 |
|
A209465 as a square array
1 | 2 | 5 | 15 | 52 | 203 | 877 | 4139 | 21110
| 2 | 6 | 57 | 700 | 10676 | 192994 | 3966581 | 89157292
| 5 | 57 | 2027 | 107472 | 7487423 | 613535578
| 15 | 700 | 107472 | 26142922 | 8012278798
| 52 | 10676 | 7487423 | 8012278798
| 203 | 192994 | 613535578
| 877 | 3966581
| 4139
|
A209465 as an upper right triangle
1 | 2 | 5 | 15 | 52 | 203 | 877 | 4139 | 21110
| | 2 | 6 | 57 | 700 | 10676 | 192994 | 3966581 | 89157292
| | | 5 | 57 | 2027 | 107472 | 7487423 | 613535578
| | | | 15 | 700 | 107472 | 26142922 | 8012278798
| | | | | 52 | 10676 | 7487423 | 8012278798
| | | | | | 203 | 192994 | 613535578
| | | | | | | 877 | 3966581
| | | | | | | | 4139
| | | | | | | |
|
|