A022186 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 1 | | 1 |
| | | | | | | 1 | | 23 | | 1 |
| | | | | | 1 | | 507 | | 507 | | 1 |
| | | | | 1 | | 11155 | | 245895 | | 11155 | | 1 |
| | | | 1 | | 245411 | | 119024335 | | 119024335 | | 245411 | | 1 |
| | | 1 | | 5399043 | | 57608023551 | | 1267490143415 | | 57608023551 | | 5399043 | | 1 |
| | 1 | | 118778947 | | 27882288797727 | | 13496292655106471 |
|
A022186 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 23 | 507 | 11155 | 245411 | 5399043 | 118778947
| 1 | 507 | 245895 | 119024335 | 57608023551 | 27882288797727
| 1 | 11155 | 119024335 | 1267490143415 | 13496292655106471
| 1 | 245411 | 57608023551
| 1 | 5399043
| 1
|
A022186 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 23 | 507 | 11155 | 245411 | 5399043 | 118778947
| | | 1 | 507 | 245895 | 119024335 | 57608023551 | 27882288797727
| | | | 1 | 11155 | 119024335 | 1267490143415 | 13496292655106471
| | | | | 1 | 245411 | 57608023551
| | | | | | 1 | 5399043
| | | | | | | 1
| | | | | | |
|
|