A111418 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 3 | | 1 |
| | | | | | | | | 10 | | 5 | | 1 |
| | | | | | | | 35 | | 21 | | 7 | | 1 |
| | | | | | | 126 | | 84 | | 36 | | 9 | | 1 |
| | | | | | 462 | | 330 | | 165 | | 55 | | 11 | | 1 |
| | | | | 1716 | | 1287 | | 715 | | 286 | | 78 | | 13 | | 1 |
| | | | 6435 | | 5005 | | 3003 | | 1365 | | 455 | | 105 | | 15 | | 1 |
| | | 24310 | | 19448 | | 12376 | | 6188 | | 2380 | | 680 | | 136 | | 17 | | 1 |
| | 92378 | | 75582 | | 50388 |
|
A111418 as a square array
1 | 3 | 10 | 35 | 126 | 462 | 1716 | 6435 | 24310 | 92378
| 1 | 5 | 21 | 84 | 330 | 1287 | 5005 | 19448 | 75582
| 1 | 7 | 36 | 165 | 715 | 3003 | 12376 | 50388
| 1 | 9 | 55 | 286 | 1365 | 6188
| 1 | 11 | 78 | 455 | 2380
| 1 | 13 | 105 | 680
| 1 | 15 | 136
| 1 | 17
| 1
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A111418 as an upper right triangle
1 | 3 | 10 | 35 | 126 | 462 | 1716 | 6435 | 24310 | 92378
| | 1 | 5 | 21 | 84 | 330 | 1287 | 5005 | 19448 | 75582
| | | 1 | 7 | 36 | 165 | 715 | 3003 | 12376 | 50388
| | | | 1 | 9 | 55 | 286 | 1365 | 6188
| | | | | 1 | 11 | 78 | 455 | 2380
| | | | | | 1 | 13 | 105 | 680
| | | | | | | 1 | 15 | 136
| | | | | | | | 1 | 17
| | | | | | | | | 1
| | | | | | | | |
|
|