A340940 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | 1 | | 1 | | 2 | | 3 |
| | | | | | | | 1 | | 1 | | 3 | | 9 | | 10 |
| | | | | | | 1 | | 1 | | 4 | | 18 | | 46 | | 36 |
| | | | | | 1 | | 1 | | 5 | | 30 | | 126 | | 253 | | 137 |
| | | | | 1 | | 1 | | 6 | | 45 | | 266 | | 958 | | 1467 | | 545 |
| | | | 1 | | 1 | | 7 | | 63 | | 482 | | 2578 | | 7707 | | 8842 | | 2244 |
| | | 1 | | 1 | | 8 | | 84 | | 790 | | 5665 | | 26501 | | 64564 | | 54878 | | 9500 |
| | 1 | | 1 | | 9 | | 108 | | 1206 | | 10896 | | 70725 | | 284016 | | 557519 | | 348489 | | 41151 |
|
A340940 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
| | 3 | 9 | 18 | 30 | 45 | 63 | 84 | 108
| | 10 | 46 | 126 | 266 | 482 | 790 | 1206
| | 36 | 253 | 958 | 2578 | 5665 | 10896
| | 137 | 1467 | 7707 | 26501 | 70725
| | 545 | 8842 | 64564 | 284016
| | 2244 | 54878 | 557519
| | 9500 | 348489
| | 41151
|
A340940 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
| | | | 3 | 9 | 18 | 30 | 45 | 63 | 84 | 108
| | | | | 10 | 46 | 126 | 266 | 482 | 790 | 1206
| | | | | | 36 | 253 | 958 | 2578 | 5665 | 10896
| | | | | | | 137 | 1467 | 7707 | 26501 | 70725
| | | | | | | | 545 | 8842 | 64564 | 284016
| | | | | | | | | 2244 | 54878 | 557519
| | | | | | | | | | 9500 | 348489
| | | | | | | | | | | 41151
|
|
