A007754 formatted as a triangular array:
| | | | | | | | | 1 | | | | | | | | | |
| | | | | | | | 1 | | 1 | | | | | | | | |
| | | | | | | 1 | | 2 | | 1 | | | | | | | |
| | | | | | 1 | | 3 | | 5 | | 2 | | | | | | |
| | | | | 1 | | 4 | | 11 | | 18 | | 7 | | | | | |
| | | | 1 | | 5 | | 19 | | 52 | | 85 | | 33 | | | | |
| | | 1 | | 6 | | 29 | | 110 | | 301 | | 492 | | 191 | | | |
| | 1 | | 7 | | 41 | | 198 | | 751 | | 2055 | | 3359 | | 1304 | | |
| 1 | | 8 | | 55 | | 322 | | 1555 | | 5898 | | 16139 | | 26380 | | 10241 | |
| 1 | | 9 | | 71 | | 488 | | 2857 | | 13797 | | 52331 | | 143196 | | 234061 | | 90865 |
A007754 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| 1 | 5 | 11 | 19 | 29 | 41 | 55 | 71 | | |
| 2 | 18 | 52 | 110 | 198 | 322 | 488 | | | |
| 7 | 85 | 301 | 751 | 1555 | 2857 | | | | |
| 33 | 492 | 2055 | 5898 | 13797 | | | | | |
| 191 | 3359 | 16139 | 52331 | | | | | | |
| 1304 | 26380 | 143196 | | | | | | | |
| 10241 | 234061 | | | | | | | | |
| 90865 | | | | | | | | | |
A007754 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| | 1 | 5 | 11 | 19 | 29 | 41 | 55 | 71 |
| | | 2 | 18 | 52 | 110 | 198 | 322 | 488 |
| | | | 7 | 85 | 301 | 751 | 1555 | 2857 |
| | | | | 33 | 492 | 2055 | 5898 | 13797 |
| | | | | | 191 | 3359 | 16139 | 52331 |
| | | | | | | 1304 | 26380 | 143196 |
| | | | | | | | 10241 | 234061 |
| | | | | | | | | 90865 |
|