A219727 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | 1 | | 2 | | 2 | | 1 |
| | | | | | | 1 | | 5 | | 9 | | 3 | | 1 |
| | | | | | 1 | | 15 | | 66 | | 31 | | 5 | | 1 |
| | | | | 1 | | 52 | | 712 | | 686 | | 109 | | 7 | | 1 |
| | | | 1 | | 203 | | 10457 | | 27036 | | 6721 | | 339 | | 11 | | 1 |
| | | 1 | | 877 | | 198091 | | 1688360 | | 911838 | | 58616 | | 1043 | | 15 | | 1 |
| | 1 | | 4140 | | 4659138 | | 154703688 | | 231575143 | | 26908756 | | 476781 | | 2998 | | 22 | | 1 |
|
A219727 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140
| | 1 | 2 | 9 | 66 | 712 | 10457 | 198091 | 4659138
| | 1 | 3 | 31 | 686 | 27036 | 1688360 | 154703688
| | 1 | 5 | 109 | 6721 | 911838 | 231575143
| | 1 | 7 | 339 | 58616 | 26908756
| | 1 | 11 | 1043 | 476781
| | 1 | 15 | 2998
| | 1 | 22
| | 1
|
A219727 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140
| | | 1 | 2 | 9 | 66 | 712 | 10457 | 198091 | 4659138
| | | | 1 | 3 | 31 | 686 | 27036 | 1688360 | 154703688
| | | | | 1 | 5 | 109 | 6721 | 911838 | 231575143
| | | | | | 1 | 7 | 339 | 58616 | 26908756
| | | | | | | 1 | 11 | 1043 | 476781
| | | | | | | | 1 | 15 | 2998
| | | | | | | | | 1 | 22
| | | | | | | | | | 1
|
|
