A103905 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 2 |
| | | | | | | | | 1 | | 6 | | 3 |
| | | | | | | | 1 | | 20 | | 20 | | 4 |
| | | | | | | 1 | | 70 | | 175 | | 50 | | 5 |
| | | | | | 1 | | 252 | | 1764 | | 980 | | 105 | | 6 |
| | | | | 1 | | 924 | | 19404 | | 24696 | | 4116 | | 196 | | 7 |
| | | | 1 | | 3432 | | 226512 | | 731808 | | 232848 | | 14112 | | 336 | | 8 |
| | | 1 | | 12870 | | 2760615 | | 24293412 | | 16818516 | | 1646568 | | 41580 | | 540 | | 9 |
| | 1 | | 48620 | | 34763300 |
|
A103905 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 6 | 20 | 70 | 252 | 924 | 3432 | 12870 | 48620
| | 3 | 20 | 175 | 1764 | 19404 | 226512 | 2760615 | 34763300
| | 4 | 50 | 980 | 24696 | 731808 | 24293412
| | 5 | 105 | 4116 | 232848 | 16818516
| | 6 | 196 | 14112 | 1646568
| | 7 | 336 | 41580
| | 8 | 540
| | 9
|
A103905 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 6 | 20 | 70 | 252 | 924 | 3432 | 12870 | 48620
| | | 3 | 20 | 175 | 1764 | 19404 | 226512 | 2760615 | 34763300
| | | | 4 | 50 | 980 | 24696 | 731808 | 24293412
| | | | | 5 | 105 | 4116 | 232848 | 16818516
| | | | | | 6 | 196 | 14112 | 1646568
| | | | | | | 7 | 336 | 41580
| | | | | | | | 8 | 540
| | | | | | | | | 9
| | | | | | | | |
|
|
