A300260 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | 1 | | 3 | | 3 | | 1 |
| | | | | | | | 1 | | 4 | | 8 | | 4 | | 1 |
| | | | | | | 1 | | 5 | | 13 | | 13 | | 5 | | 1 |
| | | | | | 1 | | 6 | | 20 | | 34 | | 20 | | 6 | | 1 |
| | | | | 1 | | 7 | | 29 | | 68 | | 68 | | 29 | | 7 | | 1 |
| | | | 1 | | 8 | | 39 | | 121 | | 190 | | 121 | | 39 | | 8 | | 1 |
| | | 1 | | 9 | | 50 | | 197 | | 441 | | 441 | | 197 | | 50 | | 9 | | 1 |
| | 1 | | 10 | | 64 | | 299 | | 907 | | 1384 | | 907 | | 299 | | 64 | | 10 | | 1 |
|
A300260 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | 1 | 3 | 8 | 13 | 20 | 29 | 39 | 50 | 64
| | 1 | 4 | 13 | 34 | 68 | 121 | 197 | 299
| | 1 | 5 | 20 | 68 | 190 | 441 | 907
| | 1 | 6 | 29 | 121 | 441 | 1384
| | 1 | 7 | 39 | 197 | 907
| | 1 | 8 | 50 | 299
| | 1 | 9 | 64
| | 1 | 10
| | 1
|
A300260 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | | 1 | 3 | 8 | 13 | 20 | 29 | 39 | 50 | 64
| | | | 1 | 4 | 13 | 34 | 68 | 121 | 197 | 299
| | | | | 1 | 5 | 20 | 68 | 190 | 441 | 907
| | | | | | 1 | 6 | 29 | 121 | 441 | 1384
| | | | | | | 1 | 7 | 39 | 197 | 907
| | | | | | | | 1 | 8 | 50 | 299
| | | | | | | | | 1 | 9 | 64
| | | | | | | | | | 1 | 10
| | | | | | | | | | | 1
|
|
