A196841 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 4 | | 3 |
| | | | | | | | 1 | | 8 | | 19 | | 12 |
| | | | | | | 1 | | 13 | | 59 | | 107 | | 60 |
| | | | | | 1 | | 19 | | 137 | | 461 | | 702 | | 360 |
| | | | | 1 | | 26 | | 270 | | 1420 | | 3929 | | 5274 | | 2520 |
| | | | 1 | | 34 | | 478 | | 3580 | | 15289 | | 36706 | | 44712 | | 20160 |
| | | 1 | | 43 | | 784 | | 7882 | | 47509 | | 174307 | | 375066 | | 422568 | | 181440 |
| | 1 | | 53 | | 1214 | | 15722 | | 126329 | | 649397 |
|
A196841 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 8 | 13 | 19 | 26 | 34 | 43 | 53
| | 3 | 19 | 59 | 137 | 270 | 478 | 784 | 1214
| | 12 | 107 | 461 | 1420 | 3580 | 7882 | 15722
| | 60 | 702 | 3929 | 15289 | 47509 | 126329
| | 360 | 5274 | 36706 | 174307 | 649397
| | 2520 | 44712 | 375066
| | 20160 | 422568
| | 181440
|
A196841 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 8 | 13 | 19 | 26 | 34 | 43 | 53
| | | 3 | 19 | 59 | 137 | 270 | 478 | 784 | 1214
| | | | 12 | 107 | 461 | 1420 | 3580 | 7882 | 15722
| | | | | 60 | 702 | 3929 | 15289 | 47509 | 126329
| | | | | | 360 | 5274 | 36706 | 174307 | 649397
| | | | | | | 2520 | 44712 | 375066
| | | | | | | | 20160 | 422568
| | | | | | | | | 181440
| | | | | | | | |
|
|
