A008970 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 1 | | 2 | | | | | | | |
| | | | | | 1 | | 6 | | 5 | | | | | | |
| | | | | 1 | | 14 | | 29 | | 16 | | | | | |
| | | | 1 | | 30 | | 118 | | 150 | | 61 | | | | |
| | | 1 | | 62 | | 418 | | 926 | | 841 | | 272 | | | |
| | 1 | | 126 | | 1383 | | 4788 | | 7311 | | 5166 | | 1385 | | |
| 1 | | 254 | | 4407 | | 22548 | | 51663 | | 59982 | | 34649 | | 7936 | |
| 1 | | 510 | | 13736 | | 100530 | | 325446 | | 553410 | | 517496 | | 252750 | | 50521 |
A008970 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 6 | 14 | 30 | 62 | 126 | 254 | 510 | |
| 5 | 29 | 118 | 418 | 1383 | 4407 | 13736 | | |
| 16 | 150 | 926 | 4788 | 22548 | 100530 | | | |
| 61 | 841 | 7311 | 51663 | 325446 | | | | |
| 272 | 5166 | 59982 | 553410 | | | | | |
| 1385 | 34649 | 517496 | | | | | | |
| 7936 | 252750 | | | | | | | |
| 50521 | | | | | | | | |
A008970 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 6 | 14 | 30 | 62 | 126 | 254 | 510 |
| | 5 | 29 | 118 | 418 | 1383 | 4407 | 13736 |
| | | 16 | 150 | 926 | 4788 | 22548 | 100530 |
| | | | 61 | 841 | 7311 | 51663 | 325446 |
| | | | | 272 | 5166 | 59982 | 553410 |
| | | | | | 1385 | 34649 | 517496 |
| | | | | | | 7936 | 252750 |
| | | | | | | | 50521 |
|