A208919 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 2 |
| | | | | | | | | 1 | | 6 | | 6 |
| | | | | | | | 1 | | 12 | | 20 | | 14 |
| | | | | | | 1 | | 20 | | 44 | | 66 | | 38 |
| | | | | | 1 | | 30 | | 80 | | 190 | | 208 | | 94 |
| | | | | 1 | | 42 | | 130 | | 430 | | 678 | | 622 | | 246 |
| | | | 1 | | 56 | | 196 | | 840 | | 1708 | | 2380 | | 1852 | | 622 |
| | | 1 | | 72 | | 280 | | 1484 | | 3668 | | 6888 | | 7928 | | 5338 | | 1606 |
| | 1 | | 90 | | 384 | | 2436 | | 7056 | | 16716 | | 25344 | | 25650 | | 15336 |
|
A208919 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 2 | 6 | 12 | 20 | 30 | 42 | 56 | 72 | 90
| 6 | 20 | 44 | 80 | 130 | 196 | 280 | 384
| 14 | 66 | 190 | 430 | 840 | 1484 | 2436
| 38 | 208 | 678 | 1708 | 3668 | 7056
| 94 | 622 | 2380 | 6888 | 16716
| 246 | 1852 | 7928 | 25344
| 622 | 5338 | 25650
| 1606 | 15336
|
A208919 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 6 | 12 | 20 | 30 | 42 | 56 | 72 | 90
| | | 6 | 20 | 44 | 80 | 130 | 196 | 280 | 384
| | | | 14 | 66 | 190 | 430 | 840 | 1484 | 2436
| | | | | 38 | 208 | 678 | 1708 | 3668 | 7056
| | | | | | 94 | 622 | 2380 | 6888 | 16716
| | | | | | | 246 | 1852 | 7928 | 25344
| | | | | | | | 622 | 5338 | 25650
| | | | | | | | | 1606 | 15336
| | | | | | | | |
|
|