A183760 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 2 | | 2 |
| | | | | | | 1 | | 2 | | 5 | | 4 |
| | | | | | 1 | | 3 | | 10 | | 18 | | 12 |
| | | | | 1 | | 3 | | 16 | | 51 | | 71 | | 34 |
| | | | 1 | | 4 | | 26 | | 116 | | 271 | | 280 | | 111 |
| | | 1 | | 4 | | 36 | | 233 | | 776 | | 1349 | | 1124 | | 360 |
| | 1 | | 5 | | 53 | | 421 | | 1908 | | 4749 | | 6487 | | 4415 | | 1226 |
|
A183760 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5
| 2 | 5 | 10 | 16 | 26 | 36 | 53
| 4 | 18 | 51 | 116 | 233 | 421
| 12 | 71 | 271 | 776 | 1908
| 34 | 280 | 1349 | 4749
| 111 | 1124 | 6487
| 360 | 4415
| 1226
|
A183760 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5
| | | 2 | 5 | 10 | 16 | 26 | 36 | 53
| | | | 4 | 18 | 51 | 116 | 233 | 421
| | | | | 12 | 71 | 271 | 776 | 1908
| | | | | | 34 | 280 | 1349 | 4749
| | | | | | | 111 | 1124 | 6487
| | | | | | | | 360 | 4415
| | | | | | | | | 1226
|
|