A197450 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 2 | | 2 |
| | | | | | | | | 3 | | 5 | | 3 |
| | | | | | | | 4 | | 12 | | 12 | | 4 |
| | | | | | | 7 | | 36 | | 81 | | 36 | | 7 |
| | | | | | 11 | | 107 | | 474 | | 474 | | 107 | | 11 |
| | | | | 16 | | 321 | | 2678 | | 4837 | | 2678 | | 321 | | 16 |
| | | | 26 | | 957 | | 15410 | | 52117 | | 52117 | | 15410 | | 957 | | 26 |
| | | 41 | | 2868 | | 88767 | | 585194 | | 1108699 | | 585194 | | 88767 | | 2868 | | 41 |
| | 62 | | 8581 | | 510482 | | 6455759 | | 23829080 |
|
A197450 as a square array
1 | 2 | 3 | 4 | 7 | 11 | 16 | 26 | 41 | 62
| 2 | 5 | 12 | 36 | 107 | 321 | 957 | 2868 | 8581
| 3 | 12 | 81 | 474 | 2678 | 15410 | 88767 | 510482
| 4 | 36 | 474 | 4837 | 52117 | 585194 | 6455759
| 7 | 107 | 2678 | 52117 | 1108699 | 23829080
| 11 | 321 | 15410 | 585194
| 16 | 957 | 88767
| 26 | 2868
| 41
|
A197450 as an upper right triangle
1 | 2 | 3 | 4 | 7 | 11 | 16 | 26 | 41 | 62
| | 2 | 5 | 12 | 36 | 107 | 321 | 957 | 2868 | 8581
| | | 3 | 12 | 81 | 474 | 2678 | 15410 | 88767 | 510482
| | | | 4 | 36 | 474 | 4837 | 52117 | 585194 | 6455759
| | | | | 7 | 107 | 2678 | 52117 | 1108699 | 23829080
| | | | | | 11 | 321 | 15410 | 585194
| | | | | | | 16 | 957 | 88767
| | | | | | | | 26 | 2868
| | | | | | | | | 41
| | | | | | | | |
|
|