A210664 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 0 |
| | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | 1 | | 5 | | 6 | | 3 |
| | | | | | | 1 | | 9 | | 20 | | 22 | | 12 |
| | | | | | 1 | | 14 | | 50 | | 85 | | 91 | | 52 |
| | | | | 1 | | 20 | | 105 | | 254 | | 385 | | 408 | | 241 |
| | | | 1 | | 27 | | 196 | | 644 | | 1287 | | 1836 | | 1938 | | 1173 |
| | | 1 | | 35 | | 336 | | 1448 | | 3696 | | 6630 | | 9120 | | 9614 | | 5929 |
| | 1 | | 44 | | 540 | | 2967 | | 9468 | | 20790 | | 34846 | | 46805 | | 49335 | | 30880 |
|
A210664 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | 2 | 5 | 9 | 14 | 20 | 27 | 35 | 44
| | 1 | 6 | 20 | 50 | 105 | 196 | 336 | 540
| | 3 | 22 | 85 | 254 | 644 | 1448 | 2967
| | 12 | 91 | 385 | 1287 | 3696 | 9468
| | 52 | 408 | 1836 | 6630 | 20790
| | 241 | 1938 | 9120 | 34846
| | 1173 | 9614 | 46805
| | 5929 | 49335
| | 30880
|
A210664 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | 2 | 5 | 9 | 14 | 20 | 27 | 35 | 44
| | | 1 | 6 | 20 | 50 | 105 | 196 | 336 | 540
| | | | 3 | 22 | 85 | 254 | 644 | 1448 | 2967
| | | | | 12 | 91 | 385 | 1287 | 3696 | 9468
| | | | | | 52 | 408 | 1836 | 6630 | 20790
| | | | | | | 241 | 1938 | 9120 | 34846
| | | | | | | | 1173 | 9614 | 46805
| | | | | | | | | 5929 | 49335
| | | | | | | | | | 30880
|
|
