A143291 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 3 | | 1 |
| | | | | | | | | | | | 8 | | 2 | | 1 |
| | | | | | | | | | | 19 | | 4 | | 2 | | 1 |
| | | | | | | | | | 43 | | 8 | | 3 | | 2 | | 1 |
| | | | | | | | | 94 | | 15 | | 5 | | 3 | | 2 | | 1 |
| | | | | | | | 201 | | 27 | | 9 | | 4 | | 3 | | 2 | | 1 |
| | | | | | | 423 | | 48 | | 15 | | 6 | | 4 | | 3 | | 2 | | 1 |
| | | | | | 880 | | 84 | | 24 | | 10 | | 5 | | 4 | | 3 | | 2 | | 1 |
| | | | | 1815 | | 145 | | 38 | | 16 | | 7 | | 5 | | 4 | | 3 | | 2 | | 1 |
| | | | 3719 | | 248 | | 60 | | 24 | | 11 | | 6 | | 5 | | 4 | | 3 | | 2 | | 1 |
| | | 7582 | | 421 | | 94 | | 35 | | 17 | | 8 | | 6 | | 5 | | 4 | | 3 | | 2 | | 1 |
| | 15397 | | 710 | | 146 | | 51 | | 25 | | 12 | | 7 | | 6 | | 5 | | 4 | | 3 | | 2 | | 1 |
|
A143291 as a square array
1 | 3 | 8 | 19 | 43 | 94 | 201 | 423 | 880 | 1815 | 3719 | 7582 | 15397
| 1 | 2 | 4 | 8 | 15 | 27 | 48 | 84 | 145 | 248 | 421 | 710
| 1 | 2 | 3 | 5 | 9 | 15 | 24 | 38 | 60 | 94 | 146
| 1 | 2 | 3 | 4 | 6 | 10 | 16 | 24 | 35 | 51
| 1 | 2 | 3 | 4 | 5 | 7 | 11 | 17 | 25
| 1 | 2 | 3 | 4 | 5 | 6 | 8 | 12
| 1 | 2 | 3 | 4 | 5 | 6 | 7
| 1 | 2 | 3 | 4 | 5 | 6
| 1 | 2 | 3 | 4 | 5
| 1 | 2 | 3 | 4
| 1 | 2 | 3
| 1 | 2
| 1
|
A143291 as an upper right triangle
1 | 3 | 8 | 19 | 43 | 94 | 201 | 423 | 880 | 1815 | 3719 | 7582 | 15397
| | 1 | 2 | 4 | 8 | 15 | 27 | 48 | 84 | 145 | 248 | 421 | 710
| | | 1 | 2 | 3 | 5 | 9 | 15 | 24 | 38 | 60 | 94 | 146
| | | | 1 | 2 | 3 | 4 | 6 | 10 | 16 | 24 | 35 | 51
| | | | | 1 | 2 | 3 | 4 | 5 | 7 | 11 | 17 | 25
| | | | | | 1 | 2 | 3 | 4 | 5 | 6 | 8 | 12
| | | | | | | 1 | 2 | 3 | 4 | 5 | 6 | 7
| | | | | | | | 1 | 2 | 3 | 4 | 5 | 6
| | | | | | | | | 1 | 2 | 3 | 4 | 5
| | | | | | | | | | 1 | 2 | 3 | 4
| | | | | | | | | | | 1 | 2 | 3
| | | | | | | | | | | | 1 | 2
| | | | | | | | | | | | | 1
|
|