A256550 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 0 | | 1 |
| | | | | | | | | 0 | | 1 | | 1 |
| | | | | | | | 0 | | 2 | | 3 | | 1 |
| | | | | | | 0 | | 5 | | 12 | | 6 | | 1 |
| | | | | | 0 | | 15 | | 50 | | 40 | | 10 | | 1 |
| | | | | 0 | | 52 | | 225 | | 250 | | 100 | | 15 | | 1 |
| | | | 0 | | 203 | | 1092 | | 1575 | | 875 | | 210 | | 21 | | 1 |
| | | 0 | | 877 | | 5684 | | 10192 | | 7350 | | 2450 | | 392 | | 28 | | 1 |
| | 0 | | 4140 | | 31572 | | 68208 | | 61152 | | 26460 | | 5880 | | 672 | | 36 | | 1 |
|
A256550 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140
| 1 | 3 | 12 | 50 | 225 | 1092 | 5684 | 31572
| 1 | 6 | 40 | 250 | 1575 | 10192 | 68208
| 1 | 10 | 100 | 875 | 7350 | 61152
| 1 | 15 | 210 | 2450 | 26460
| 1 | 21 | 392 | 5880
| 1 | 28 | 672
| 1 | 36
| 1
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A256550 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140
| | | 1 | 3 | 12 | 50 | 225 | 1092 | 5684 | 31572
| | | | 1 | 6 | 40 | 250 | 1575 | 10192 | 68208
| | | | | 1 | 10 | 100 | 875 | 7350 | 61152
| | | | | | 1 | 15 | 210 | 2450 | 26460
| | | | | | | 1 | 21 | 392 | 5880
| | | | | | | | 1 | 28 | 672
| | | | | | | | | 1 | 36
| | | | | | | | | | 1
|
|