A050157 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 2 |
| | | | | | | | 2 | | 5 | | 6 |
| | | | | | | 5 | | 14 | | 19 | | 20 |
| | | | | | 14 | | 42 | | 62 | | 69 | | 70 |
| | | | | 42 | | 132 | | 207 | | 242 | | 251 | | 252 |
| | | | 132 | | 429 | | 704 | | 858 | | 912 | | 923 | | 924 |
| | | 429 | | 1430 | | 2431 | | 3068 | | 3341 | | 3418 | | 3431 | | 3432 |
| | 1430 | | 4862 | | 8502 | | 11050 | | 12310 | | 12750 | | 12854 | | 12869 | | 12870 |
|
A050157 as a square array
1 | 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430
| 2 | 5 | 14 | 42 | 132 | 429 | 1430 | 4862
| 6 | 19 | 62 | 207 | 704 | 2431 | 8502
| 20 | 69 | 242 | 858 | 3068 | 11050
| 70 | 251 | 912 | 3341 | 12310
| 252 | 923 | 3418 | 12750
| 924 | 3431 | 12854
| 3432 | 12869
| 12870
|
A050157 as an upper right triangle
1 | 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430
| | 2 | 5 | 14 | 42 | 132 | 429 | 1430 | 4862
| | | 6 | 19 | 62 | 207 | 704 | 2431 | 8502
| | | | 20 | 69 | 242 | 858 | 3068 | 11050
| | | | | 70 | 251 | 912 | 3341 | 12310
| | | | | | 252 | 923 | 3418 | 12750
| | | | | | | 924 | 3431 | 12854
| | | | | | | | 3432 | 12869
| | | | | | | | | 12870
|
|