A256061 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 0 | | 1 |
| | | | | | | | 0 | | 2 | | 4 |
| | | | | | | 0 | | 5 | | 30 | | 30 |
| | | | | | 0 | | 14 | | 196 | | 504 | | 336 |
| | | | | 0 | | 42 | | 1260 | | 6300 | | 10080 | | 5040 |
| | | | 0 | | 132 | | 8184 | | 71280 | | 205920 | | 237600 | | 95040 |
| | | 0 | | 429 | | 54054 | | 774774 | | 3603600 | | 7207200 | | 6486480 | | 2162160 |
| | 0 | | 1430 | | 363220 | | 8288280 | | 58378320 | | 180180000 | | 273873600 | | 201801600 | | 57657600 |
|
A256061 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430
| 4 | 30 | 196 | 1260 | 8184 | 54054 | 363220
| 30 | 504 | 6300 | 71280 | 774774 | 8288280
| 336 | 10080 | 205920 | 3603600 | 58378320
| 5040 | 237600 | 7207200 | 180180000
| 95040 | 6486480 | 273873600
| 2162160 | 201801600
| 57657600
|
A256061 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430
| | | 4 | 30 | 196 | 1260 | 8184 | 54054 | 363220
| | | | 30 | 504 | 6300 | 71280 | 774774 | 8288280
| | | | | 336 | 10080 | 205920 | 3603600 | 58378320
| | | | | | 5040 | 237600 | 7207200 | 180180000
| | | | | | | 95040 | 6486480 | 273873600
| | | | | | | | 2162160 | 201801600
| | | | | | | | | 57657600
|
|