A001100 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 0 | | 2 | | | | | | | |
| | | | | | 0 | | 4 | | 2 | | | | | | |
| | | | | 2 | | 10 | | 10 | | 2 | | | | | |
| | | | 14 | | 40 | | 48 | | 16 | | 2 | | | | |
| | | 90 | | 230 | | 256 | | 120 | | 22 | | 2 | | | |
| | 646 | | 1580 | | 1670 | | 888 | | 226 | | 28 | | 2 | | |
| 5242 | | 12434 | | 12846 | | 7198 | | 2198 | | 366 | | 34 | | 2 | |
| 47622 | | 110320 | | 112820 | | 64968 | | 22120 | | 4448 | | 540 | | 40 | | 2 |
A001100 formatted as a square array:
| 1 | 0 | 0 | 2 | 14 | 90 | 646 | 5242 | 47622 |
| 2 | 4 | 10 | 40 | 230 | 1580 | 12434 | 110320 | |
| 2 | 10 | 48 | 256 | 1670 | 12846 | 112820 | | |
| 2 | 16 | 120 | 888 | 7198 | 64968 | | | |
| 2 | 22 | 226 | 2198 | 22120 | | | | |
| 2 | 28 | 366 | 4448 | | | | | |
| 2 | 34 | 540 | | | | | | |
| 2 | 40 | | | | | | | |
| 2 | | | | | | | | |
A001100 formatted as an upper right triangle:
| 1 | 0 | 0 | 2 | 14 | 90 | 646 | 5242 | 47622 |
| 2 | 4 | 10 | 40 | 230 | 1580 | 12434 | 110320 |
| | 2 | 10 | 48 | 256 | 1670 | 12846 | 112820 |
| | | 2 | 16 | 120 | 888 | 7198 | 64968 |
| | | | 2 | 22 | 226 | 2198 | 22120 |
| | | | | 2 | 28 | 366 | 4448 |
| | | | | | 2 | 34 | 540 |
| | | | | | | 2 | 40 |
| | | | | | | | 2 |
|