A222061 as a triangular array
| | | | | | | | | | 0 |
| | | | | | | | | | 0 | | 1 |
| | | | | | | | | 0 | | 1 | | 5 |
| | | | | | | | 0 | | 1 | | 15 | | 26 |
| | | | | | | 0 | | 1 | | 35 | | 156 | | 154 |
| | | | | | 0 | | 1 | | 75 | | 650 | | 1540 | | 1044 |
| | | | | 0 | | 1 | | 155 | | 2340 | | 10010 | | 15660 | | 8028 |
| | | | 0 | | 1 | | 315 | | 7826 | | 53900 | | 146160 | | 168588 | | 69264 |
| | | 0 | | 1 | | 635 | | 25116 | | 261954 | | 1096200 | | 2135448 | | 1939392 | | 663696 |
| | 0 | | 1 | | 1275 | | 78650 | | 1196580 | | 7256844 |
|
A222061 as a square array
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 5 | 15 | 35 | 75 | 155 | 315 | 635 | 1275
| 26 | 156 | 650 | 2340 | 7826 | 25116 | 78650
| 154 | 1540 | 10010 | 53900 | 261954 | 1196580
| 1044 | 15660 | 146160 | 1096200 | 7256844
| 8028 | 168588 | 2135448
| 69264 | 1939392
| 663696
|
A222061 as an upper right triangle
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 5 | 15 | 35 | 75 | 155 | 315 | 635 | 1275
| | | | 26 | 156 | 650 | 2340 | 7826 | 25116 | 78650
| | | | | 154 | 1540 | 10010 | 53900 | 261954 | 1196580
| | | | | | 1044 | 15660 | 146160 | 1096200 | 7256844
| | | | | | | 8028 | 168588 | 2135448
| | | | | | | | 69264 | 1939392
| | | | | | | | | 663696
| | | | | | | | |
|
|