A290724 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 0 | | 4 | | 1 |
| | | | | | | | | 0 | | 2 | | 11 | | 1 |
| | | | | | | | 0 | | 0 | | 18 | | 26 | | 1 |
| | | | | | | 0 | | 0 | | 6 | | 100 | | 57 | | 1 |
| | | | | | 0 | | 0 | | 0 | | 96 | | 444 | | 120 | | 1 |
| | | | | 0 | | 0 | | 0 | | 24 | | 900 | | 1734 | | 247 | | 1 |
| | | | 0 | | 0 | | 0 | | 0 | | 600 | | 6480 | | 6246 | | 502 | | 1 |
| | | 0 | | 0 | | 0 | | 0 | | 120 | | 8520 | | 39762 | | 21320 | | 1013 | | 1 |
| | 0 | | 0 | | 0 | | 0 | | 0 | | 4320 | | 90600 | | 219312 | | 70128 | | 2036 | | 1 |
|
A290724 as a square array
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 11 | 18 | 6 | 0 | 0 | 0 | 0 | 0
| 1 | 26 | 100 | 96 | 24 | 0 | 0 | 0
| 1 | 57 | 444 | 900 | 600 | 120 | 0
| 1 | 120 | 1734 | 6480 | 8520 | 4320
| 1 | 247 | 6246 | 39762 | 90600
| 1 | 502 | 21320 | 219312
| 1 | 1013 | 70128
| 1 | 2036
| 1
|
A290724 as an upper right triangle
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | 1 | 11 | 18 | 6 | 0 | 0 | 0 | 0 | 0
| | | | 1 | 26 | 100 | 96 | 24 | 0 | 0 | 0
| | | | | 1 | 57 | 444 | 900 | 600 | 120 | 0
| | | | | | 1 | 120 | 1734 | 6480 | 8520 | 4320
| | | | | | | 1 | 247 | 6246 | 39762 | 90600
| | | | | | | | 1 | 502 | 21320 | 219312
| | | | | | | | | 1 | 1013 | 70128
| | | | | | | | | | 1 | 2036
| | | | | | | | | | | 1
|
|