A123158 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 2 | | 2 | | 1 |
| | | | | | | | 5 | | 5 | | 3 | | 1 |
| | | | | | | 15 | | 15 | | 10 | | 5 | | 1 |
| | | | | | 52 | | 52 | | 37 | | 22 | | 6 | | 1 |
| | | | | 203 | | 203 | | 151 | | 99 | | 31 | | 9 | | 1 |
| | | | 877 | | 877 | | 674 | | 471 | | 160 | | 61 | | 10 | | 1 |
| | | 4140 | | 4140 | | 3263 | | 2386 | | 856 | | 385 | | 75 | | 14 | | 1 |
| | 21147 | | 21147 | | 17007 | | 12867 | | 4802 | | 2416 | | 520 | | 135 | | 15 | | 1 |
|
A123158 as a square array
| 1 | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140 | 21147
| | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140 | 21147
| | 1 | 3 | 10 | 37 | 151 | 674 | 3263 | 17007
| | 1 | 5 | 22 | 99 | 471 | 2386 | 12867
| | 1 | 6 | 31 | 160 | 856 | 4802
| | 1 | 9 | 61 | 385 | 2416
| | 1 | 10 | 75 | 520
| | 1 | 14 | 135
| | 1 | 15
| | 1
|
A123158 as an upper right triangle
| 1 | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140 | 21147
| | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140 | 21147
| | | 1 | 3 | 10 | 37 | 151 | 674 | 3263 | 17007
| | | | 1 | 5 | 22 | 99 | 471 | 2386 | 12867
| | | | | 1 | 6 | 31 | 160 | 856 | 4802
| | | | | | 1 | 9 | 61 | 385 | 2416
| | | | | | | 1 | 10 | 75 | 520
| | | | | | | | 1 | 14 | 135
| | | | | | | | | 1 | 15
| | | | | | | | | | 1
|
|
