A248669 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 2 | | 1 |
| | | | | | | | | 5 | | 4 | | 1 |
| | | | | | | | 16 | | 17 | | 7 | | 1 |
| | | | | | | 65 | | 84 | | 45 | | 11 | | 1 |
| | | | | | 326 | | 485 | | 309 | | 100 | | 16 | | 1 |
| | | | | 1957 | | 3236 | | 2339 | | 909 | | 196 | | 22 | | 1 |
| | | | 13700 | | 24609 | | 19609 | | 8702 | | 2281 | | 350 | | 29 | | 1 |
| | | 109601 | | 210572 | | 181481 | | 89225 | | 26950 | | 5081 | | 582 | | 37 | | 1 |
| | 986410 | | 2004749 | | 1843901 | | 984506 | | 331775 |
|
A248669 as a square array
1 | 2 | 5 | 16 | 65 | 326 | 1957 | 13700 | 109601 | 986410
| 1 | 4 | 17 | 84 | 485 | 3236 | 24609 | 210572 | 2004749
| 1 | 7 | 45 | 309 | 2339 | 19609 | 181481 | 1843901
| 1 | 11 | 100 | 909 | 8702 | 89225 | 984506
| 1 | 16 | 196 | 2281 | 26950 | 331775
| 1 | 22 | 350 | 5081
| 1 | 29 | 582
| 1 | 37
| 1
|
A248669 as an upper right triangle
1 | 2 | 5 | 16 | 65 | 326 | 1957 | 13700 | 109601 | 986410
| | 1 | 4 | 17 | 84 | 485 | 3236 | 24609 | 210572 | 2004749
| | | 1 | 7 | 45 | 309 | 2339 | 19609 | 181481 | 1843901
| | | | 1 | 11 | 100 | 909 | 8702 | 89225 | 984506
| | | | | 1 | 16 | 196 | 2281 | 26950 | 331775
| | | | | | 1 | 22 | 350 | 5081
| | | | | | | 1 | 29 | 582
| | | | | | | | 1 | 37
| | | | | | | | | 1
| | | | | | | | |
|
|