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A339892 as a simple table
| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 1 |
| 4 | 5 |
| 5 | 26 |
| 6 | 126 |
| 7 | 680 |
| 8 | 3778 |
[1,1,5,26,126,680,3778] |
| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 1 |
| 4 | 5 |
| 5 | 26 |
| 6 | 126 |
| 7 | 680 |
| 8 | 3778 |
[1,1,5,26,126,680,3778] |