A056939 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 4 | | 1 |
| | | | | | | | 1 | | 10 | | 10 | | 1 |
| | | | | | | 1 | | 20 | | 50 | | 20 | | 1 |
| | | | | | 1 | | 35 | | 175 | | 175 | | 35 | | 1 |
| | | | | 1 | | 56 | | 490 | | 980 | | 490 | | 56 | | 1 |
| | | | 1 | | 84 | | 1176 | | 4116 | | 4116 | | 1176 | | 84 | | 1 |
| | | 1 | | 120 | | 2520 | | 14112 | | 24696 | | 14112 | | 2520 | | 120 | | 1 |
| | 1 | | 165 | | 4950 | | 41580 | | 116424 | | 116424 | | 41580 | | 4950 | | 165 | | 1 |
|
A056939 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 10 | 20 | 35 | 56 | 84 | 120 | 165
| | 1 | 10 | 50 | 175 | 490 | 1176 | 2520 | 4950
| | 1 | 20 | 175 | 980 | 4116 | 14112 | 41580
| | 1 | 35 | 490 | 4116 | 24696 | 116424
| | 1 | 56 | 1176 | 14112 | 116424
| | 1 | 84 | 2520 | 41580
| | 1 | 120 | 4950
| | 1 | 165
| | 1
|
A056939 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 10 | 20 | 35 | 56 | 84 | 120 | 165
| | | 1 | 10 | 50 | 175 | 490 | 1176 | 2520 | 4950
| | | | 1 | 20 | 175 | 980 | 4116 | 14112 | 41580
| | | | | 1 | 35 | 490 | 4116 | 24696 | 116424
| | | | | | 1 | 56 | 1176 | 14112 | 116424
| | | | | | | 1 | 84 | 2520 | 41580
| | | | | | | | 1 | 120 | 4950
| | | | | | | | | 1 | 165
| | | | | | | | | | 1
|
|
