A008958 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 1 | | 1 | | | | | | | |
| | | | | | 1 | | 10 | | 1 | | | | | | |
| | | | | 1 | | 35 | | 91 | | 1 | | | | | |
| | | | 1 | | 84 | | 966 | | 820 | | 1 | | | | |
| | | 1 | | 165 | | 5082 | | 24970 | | 7381 | | 1 | | | |
| | 1 | | 286 | | 18447 | | 273988 | | 631631 | | 66430 | | 1 | | |
| 1 | | 455 | | 53053 | | 1768195 | | 14057043 | | 15857205 | | 597871 | | 1 | |
| 1 | | 680 | | 129948 | | 8187608 | | 157280838 | | 704652312 | | 397027996 | | 5380840 | | 1 |
A008958 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 10 | 35 | 84 | 165 | 286 | 455 | 680 | |
| 1 | 91 | 966 | 5082 | 18447 | 53053 | 129948 | | |
| 1 | 820 | 24970 | 273988 | 1768195 | 8187608 | | | |
| 1 | 7381 | 631631 | 14057043 | 157280838 | | | | |
| 1 | 66430 | 15857205 | 704652312 | | | | | |
| 1 | 597871 | 397027996 | | | | | | |
| 1 | 5380840 | | | | | | | |
| 1 | | | | | | | | |
A008958 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 10 | 35 | 84 | 165 | 286 | 455 | 680 |
| | 1 | 91 | 966 | 5082 | 18447 | 53053 | 129948 |
| | | 1 | 820 | 24970 | 273988 | 1768195 | 8187608 |
| | | | 1 | 7381 | 631631 | 14057043 | 157280838 |
| | | | | 1 | 66430 | 15857205 | 704652312 |
| | | | | | 1 | 597871 | 397027996 |
| | | | | | | 1 | 5380840 |
| | | | | | | | 1 |
|
