A321877 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 1 | | 2 |
| | | | | | | | | 1 | | 1 | | 3 | | 4 |
| | | | | | | | 1 | | 1 | | 5 | | 7 | | 6 |
| | | | | | | 1 | | 1 | | 9 | | 15 | | 14 | | 10 |
| | | | | | 1 | | 1 | | 17 | | 37 | | 41 | | 28 | | 17 |
| | | | | 1 | | 1 | | 33 | | 99 | | 137 | | 107 | | 58 | | 25 |
| | | | 1 | | 1 | | 65 | | 277 | | 491 | | 487 | | 286 | | 106 | | 38 |
| | | 1 | | 1 | | 129 | | 795 | | 1829 | | 2429 | | 1749 | | 700 | | 201 | | 59 |
| | 1 | | 1 | | 257 | | 2317 | | 6971 | | 12763 | | 12056 | | 5901 | | 1735 | | 372 | | 86 |
|
A321877 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 3 | 5 | 9 | 17 | 33 | 65 | 129 | 257
| | 4 | 7 | 15 | 37 | 99 | 277 | 795 | 2317
| | 6 | 14 | 41 | 137 | 491 | 1829 | 6971
| | 10 | 28 | 107 | 487 | 2429 | 12763
| | 17 | 58 | 286 | 1749 | 12056
| | 25 | 106 | 700 | 5901
| | 38 | 201 | 1735
| | 59 | 372
| | 86
|
A321877 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 2 | 3 | 5 | 9 | 17 | 33 | 65 | 129 | 257
| | | | 4 | 7 | 15 | 37 | 99 | 277 | 795 | 2317
| | | | | 6 | 14 | 41 | 137 | 491 | 1829 | 6971
| | | | | | 10 | 28 | 107 | 487 | 2429 | 12763
| | | | | | | 17 | 58 | 286 | 1749 | 12056
| | | | | | | | 25 | 106 | 700 | 5901
| | | | | | | | | 38 | 201 | 1735
| | | | | | | | | | 59 | 372
| | | | | | | | | | | 86
|
|
