A008956 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 10 | | 9 |
| | | | | | | 1 | | 35 | | 259 | | 225 |
| | | | | | 1 | | 84 | | 1974 | | 12916 | | 11025 |
| | | | | 1 | | 165 | | 8778 | | 172810 | | 1057221 | | 893025 |
| | | | 1 | | 286 | | 28743 | | 1234948 | | 21967231 | | 128816766 | | 108056025 |
| | | 1 | | 455 | | 77077 | | 6092515 | | 230673443 | | 3841278805 | | 21878089479 | | 18261468225 |
| | 1 | | 680 |
|
A008956 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 10 | 35 | 84 | 165 | 286 | 455 | 680
| | 9 | 259 | 1974 | 8778 | 28743 | 77077
| | 225 | 12916 | 172810 | 1234948 | 6092515
| | 11025 | 1057221 | 21967231 | 230673443
| | 893025 | 128816766 | 3841278805
| | 108056025 | 21878089479
| | 18261468225
|
A008956 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 10 | 35 | 84 | 165 | 286 | 455 | 680
| | | 9 | 259 | 1974 | 8778 | 28743 | 77077
| | | | 225 | 12916 | 172810 | 1234948 | 6092515
| | | | | 11025 | 1057221 | 21967231 | 230673443
| | | | | | 893025 | 128816766 | 3841278805
| | | | | | | 108056025 | 21878089479
| | | | | | | | 18261468225
| | | | | | | |
|
|
