A223387 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 2 | | 2 |
| | | | | | | | 5 | | 9 | | 5 |
| | | | | | | 14 | | 57 | | 57 | | 14 |
| | | | | | 41 | | 366 | | 777 | | 366 | | 41 |
| | | | | 122 | | 2358 | | 10830 | | 10830 | | 2358 | | 122 |
| | | | 365 | | 15204 | | 151962 | | 329840 | | 151962 | | 15204 | | 365 |
| | | 1094 | | 98052 | | 2136444 | | 10139432 | | 10139432 | | 2136444 | | 98052 | | 1094 |
| | 3281 | | 632376 | | 30053580 | | 312609528 | | 684434305 |
|
A223387 as a square array
1 | 2 | 5 | 14 | 41 | 122 | 365 | 1094 | 3281
| 2 | 9 | 57 | 366 | 2358 | 15204 | 98052 | 632376
| 5 | 57 | 777 | 10830 | 151962 | 2136444 | 30053580
| 14 | 366 | 10830 | 329840 | 10139432 | 312609528
| 41 | 2358 | 151962 | 10139432 | 684434305
| 122 | 15204 | 2136444
| 365 | 98052
| 1094
|
A223387 as an upper right triangle
1 | 2 | 5 | 14 | 41 | 122 | 365 | 1094 | 3281
| | 2 | 9 | 57 | 366 | 2358 | 15204 | 98052 | 632376
| | | 5 | 57 | 777 | 10830 | 151962 | 2136444 | 30053580
| | | | 14 | 366 | 10830 | 329840 | 10139432 | 312609528
| | | | | 41 | 2358 | 151962 | 10139432 | 684434305
| | | | | | 122 | 15204 | 2136444
| | | | | | | 365 | 98052
| | | | | | | | 1094
| | | | | | | |
|
|