A183158 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 4 | | 2 | | 1 |
| | | | | | | | | 12 | | 6 | | 3 | | 1 |
| | | | | | | | 38 | | 10 | | 6 | | 4 | | 1 |
| | | | | | | 90 | | 26 | | 10 | | 10 | | 5 | | 1 |
| | | | | | 220 | | 42 | | 15 | | 20 | | 15 | | 6 | | 1 |
| | | | | 460 | | 106 | | 21 | | 35 | | 35 | | 21 | | 7 | | 1 |
| | | | 1018 | | 170 | | 28 | | 56 | | 70 | | 56 | | 28 | | 8 | | 1 |
| | | 2022 | | 426 | | 36 | | 84 | | 126 | | 126 | | 84 | | 36 | | 9 | | 1 |
| | 4304 | | 682 | | 45 | | 120 | | 210 | | 252 | | 210 | | 120 | | 45 | | 10 | | 1 |
|
A183158 as a square array
| 1 | 1 | 4 | 12 | 38 | 90 | 220 | 460 | 1018 | 2022 | 4304
| | 1 | 2 | 6 | 10 | 26 | 42 | 106 | 170 | 426 | 682
| | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45
| | 1 | 4 | 10 | 20 | 35 | 56 | 84 | 120
| | 1 | 5 | 15 | 35 | 70 | 126 | 210
| | 1 | 6 | 21 | 56 | 126 | 252
| | 1 | 7 | 28 | 84 | 210
| | 1 | 8 | 36 | 120
| | 1 | 9 | 45
| | 1 | 10
| | 1
|
A183158 as an upper right triangle
| 1 | 1 | 4 | 12 | 38 | 90 | 220 | 460 | 1018 | 2022 | 4304
| | 1 | 2 | 6 | 10 | 26 | 42 | 106 | 170 | 426 | 682
| | | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45
| | | | 1 | 4 | 10 | 20 | 35 | 56 | 84 | 120
| | | | | 1 | 5 | 15 | 35 | 70 | 126 | 210
| | | | | | 1 | 6 | 21 | 56 | 126 | 252
| | | | | | | 1 | 7 | 28 | 84 | 210
| | | | | | | | 1 | 8 | 36 | 120
| | | | | | | | | 1 | 9 | 45
| | | | | | | | | | 1 | 10
| | | | | | | | | | | 1
|
|
