A180843 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 0 | | 1 |
| | | | | | | | 1 | | 1 | | 2 | | 1 |
| | | | | | | 1 | | 0 | | 19 | | 17 | | 1 |
| | | | | | 1 | | 0 | | 44 | | 596 | | 131 | | 1 |
| | | | | 1 | | 0 | | 98 | | 14284 | | 37423 | | 1220 | | 1 |
| | | | 1 | | 0 | | 189 | | 312424 | | 8554238 | | 3746117 | | 13796 | | 1 |
| | | 1 | | 0 | | 298 | | 6236734 | | 1867529572 | | 9893281255 | | 545626043 | | 183095 | | 1 |
| | 1 | | 0 | | 379 | | 113114480 | | 388782928110 |
|
A180843 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 2 | 19 | 44 | 98 | 189 | 298 | 379
| | 1 | 17 | 596 | 14284 | 312424 | 6236734 | 113114480
| | 1 | 131 | 37423 | 8554238 | 1867529572 | 388782928110
| | 1 | 1220 | 3746117 | 9893281255
| | 1 | 13796 | 545626043
| | 1 | 183095
| | 1
|
A180843 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0
| | | 1 | 2 | 19 | 44 | 98 | 189 | 298 | 379
| | | | 1 | 17 | 596 | 14284 | 312424 | 6236734 | 113114480
| | | | | 1 | 131 | 37423 | 8554238 | 1867529572 | 388782928110
| | | | | | 1 | 1220 | 3746117 | 9893281255
| | | | | | | 1 | 13796 | 545626043
| | | | | | | | 1 | 183095
| | | | | | | | | 1
| | | | | | | | |
|
|
